Home / 622,931,709.60-934,397,564.40-521,650,864.80

Finding the Fourth Proportional to 622,931,709.60, 934,397,564.40 and 521,650,864.80

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Solution

The fourth proportional to 622,931,709.60, 934,397,564.40 and 521,650,864.80 is: 782,476,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,931,709.60 : 934,397,564.40 = 521,650,864.80 : x
  2. Step 2: Convert to fraction form
    622,931,709.60/934,397,564.40 = 521,650,864.80/x
  3. Step 3: Cross multiply
    622,931,709.60x = 934,397,564.40 × 521,650,864.80
  4. Step 4: Simplify right side
    622,931,709.60x = 487,429,297,536,273,664
  5. Step 5: Solve for x
    x = 487,429,297,536,273,664/622,931,709.60
  6. Step 6: Final answer
    x = 782,476,297.20

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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.