Home / 961,608,552.88-1,327,006,781.12-538,222,088.32

Finding the Fourth Proportional to 961,608,552.88, 1,327,006,781.12 and 538,222,088.32

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Solution

The fourth proportional to 961,608,552.88, 1,327,006,781.12 and 538,222,088.32 is: 742,739,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,608,552.88 : 1,327,006,781.12 = 538,222,088.32 : x
  2. Step 2: Convert to fraction form
    961,608,552.88/1,327,006,781.12 = 538,222,088.32/x
  3. Step 3: Cross multiply
    961,608,552.88x = 1,327,006,781.12 × 538,222,088.32
  4. Step 4: Simplify right side
    961,608,552.88x = 714,224,360,949,207,552
  5. Step 5: Solve for x
    x = 714,224,360,949,207,552/961,608,552.88
  6. Step 6: Final answer
    x = 742,739,193.42

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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.