Home / 572,029,055.71-858,307,471.13-261,231,947.47

Finding the Fourth Proportional to 572,029,055.71, 858,307,471.13 and 261,231,947.47

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Solution

The fourth proportional to 572,029,055.71, 858,307,471.13 and 261,231,947.47 is: 391,968,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,029,055.71 : 858,307,471.13 = 261,231,947.47 : x
  2. Step 2: Convert to fraction form
    572,029,055.71/858,307,471.13 = 261,231,947.47/x
  3. Step 3: Cross multiply
    572,029,055.71x = 858,307,471.13 × 261,231,947.47
  4. Step 4: Simplify right side
    572,029,055.71x = 224,217,332,213,066,688
  5. Step 5: Solve for x
    x = 224,217,332,213,066,688/572,029,055.71
  6. Step 6: Final answer
    x = 391,968,432.33

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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.