Home / 1,361,452,998.76-1,878,755,535.47-758,592,473.15

Finding the Fourth Proportional to 1,361,452,998.76, 1,878,755,535.47 and 758,592,473.15

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Solution

The fourth proportional to 1,361,452,998.76, 1,878,755,535.47 and 758,592,473.15 is: 1,046,829,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,452,998.76 : 1,878,755,535.47 = 758,592,473.15 : x
  2. Step 2: Convert to fraction form
    1,361,452,998.76/1,878,755,535.47 = 758,592,473.15/x
  3. Step 3: Cross multiply
    1,361,452,998.76x = 1,878,755,535.47 × 758,592,473.15
  4. Step 4: Simplify right side
    1,361,452,998.76x = 1,425,209,808,103,033,344
  5. Step 5: Solve for x
    x = 1,425,209,808,103,033,344/1,361,452,998.76
  6. Step 6: Final answer
    x = 1,046,829,974.60

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Double scale
Find fourth proportional to 1,361,452,999.76, 1,878,755,536.85 and 758,592,474.15
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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.