Home / 622,931,729.10-934,397,593.65-521,650,884.30

Finding the Fourth Proportional to 622,931,729.10, 934,397,593.65 and 521,650,884.30

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Solution

The fourth proportional to 622,931,729.10, 934,397,593.65 and 521,650,884.30 is: 782,476,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,931,729.10 : 934,397,593.65 = 521,650,884.30 : x
  2. Step 2: Convert to fraction form
    622,931,729.10/934,397,593.65 = 521,650,884.30/x
  3. Step 3: Cross multiply
    622,931,729.10x = 934,397,593.65 × 521,650,884.30
  4. Step 4: Simplify right side
    622,931,729.10x = 487,429,331,015,314,560
  5. Step 5: Solve for x
    x = 487,429,331,015,314,560/622,931,729.10
  6. Step 6: Final answer
    x = 782,476,326.45

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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.