Home / 772,761,528-1,066,313,961.12-522,410,641.92

Finding the Fourth Proportional to 772,761,528, 1,066,313,961.12 and 522,410,641.92

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Solution

The fourth proportional to 772,761,528, 1,066,313,961.12 and 522,410,641.92 is: 720,861,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,761,528 : 1,066,313,961.12 = 522,410,641.92 : x
  2. Step 2: Convert to fraction form
    772,761,528/1,066,313,961.12 = 522,410,641.92/x
  3. Step 3: Cross multiply
    772,761,528x = 1,066,313,961.12 × 522,410,641.92
  4. Step 4: Simplify right side
    772,761,528x = 557,053,760,916,957,120
  5. Step 5: Solve for x
    x = 557,053,760,916,957,120/772,761,528
  6. Step 6: Final answer
    x = 720,861,146.33

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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.