Home / 622,931,730.60-934,397,595.90-521,650,885.80

Finding the Fourth Proportional to 622,931,730.60, 934,397,595.90 and 521,650,885.80

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Solution

The fourth proportional to 622,931,730.60, 934,397,595.90 and 521,650,885.80 is: 782,476,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,931,730.60 : 934,397,595.90 = 521,650,885.80 : x
  2. Step 2: Convert to fraction form
    622,931,730.60/934,397,595.90 = 521,650,885.80/x
  3. Step 3: Cross multiply
    622,931,730.60x = 934,397,595.90 × 521,650,885.80
  4. Step 4: Simplify right side
    622,931,730.60x = 487,429,333,590,625,472
  5. Step 5: Solve for x
    x = 487,429,333,590,625,472/622,931,730.60
  6. Step 6: Final answer
    x = 782,476,328.70

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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.