Home / 1,359,549,374,098.40-1,877,025,012,044.60-865,432,832,197.55

Finding the Fourth Proportional to 1,359,549,374,098.40, 1,877,025,012,044.60 and 865,432,832,197.55

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Solution

The fourth proportional to 1,359,549,374,098.40, 1,877,025,012,044.60 and 865,432,832,197.55 is: 1,194,836,394,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,549,374,098.40 : 1,877,025,012,044.60 = 865,432,832,197.55 : x
  2. Step 2: Convert to fraction form
    1,359,549,374,098.40/1,877,025,012,044.60 = 865,432,832,197.55/x
  3. Step 3: Cross multiply
    1,359,549,374,098.40x = 1,877,025,012,044.60 × 865,432,832,197.55
  4. Step 4: Simplify right side
    1,359,549,374,098.40x = 1,624,439,072,279,398,707,101,696
  5. Step 5: Solve for x
    x = 1,624,439,072,279,398,707,101,696/1,359,549,374,098.40
  6. Step 6: Final answer
    x = 1,194,836,394,490.39

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Double scale
Find fourth proportional to 1,359,549,374,099.40, 1,877,025,012,045.98 and 865,432,832,198.55
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.