Home / 8,087,772,020.60-12,131,658,030.90-6,618,443,943.80

Finding the Fourth Proportional to 8,087,772,020.60, 12,131,658,030.90 and 6,618,443,943.80

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Solution

The fourth proportional to 8,087,772,020.60, 12,131,658,030.90 and 6,618,443,943.80 is: 9,927,665,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,772,020.60 : 12,131,658,030.90 = 6,618,443,943.80 : x
  2. Step 2: Convert to fraction form
    8,087,772,020.60/12,131,658,030.90 = 6,618,443,943.80/x
  3. Step 3: Cross multiply
    8,087,772,020.60x = 12,131,658,030.90 × 6,618,443,943.80
  4. Step 4: Simplify right side
    8,087,772,020.60x = 80,292,698,622,862,737,408
  5. Step 5: Solve for x
    x = 80,292,698,622,862,737,408/8,087,772,020.60
  6. Step 6: Final answer
    x = 9,927,665,915.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.