Home / 530,098,721.66-731,615,765.15-402,729,805.93

Finding the Fourth Proportional to 530,098,721.66, 731,615,765.15 and 402,729,805.93

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Solution

The fourth proportional to 530,098,721.66, 731,615,765.15 and 402,729,805.93 is: 555,827,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,098,721.66 : 731,615,765.15 = 402,729,805.93 : x
  2. Step 2: Convert to fraction form
    530,098,721.66/731,615,765.15 = 402,729,805.93/x
  3. Step 3: Cross multiply
    530,098,721.66x = 731,615,765.15 × 402,729,805.93
  4. Step 4: Simplify right side
    530,098,721.66x = 294,643,475,112,466,496
  5. Step 5: Solve for x
    x = 294,643,475,112,466,496/530,098,721.66
  6. Step 6: Final answer
    x = 555,827,552.63

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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.