Home / 629,909,587.70-944,864,381.55-499,812,830.90

Finding the Fourth Proportional to 629,909,587.70, 944,864,381.55 and 499,812,830.90

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Solution

The fourth proportional to 629,909,587.70, 944,864,381.55 and 499,812,830.90 is: 749,719,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,909,587.70 : 944,864,381.55 = 499,812,830.90 : x
  2. Step 2: Convert to fraction form
    629,909,587.70/944,864,381.55 = 499,812,830.90/x
  3. Step 3: Cross multiply
    629,909,587.70x = 944,864,381.55 × 499,812,830.90
  4. Step 4: Simplify right side
    629,909,587.70x = 472,255,341,359,083,200
  5. Step 5: Solve for x
    x = 472,255,341,359,083,200/629,909,587.70
  6. Step 6: Final answer
    x = 749,719,246.35

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1.5x scale

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.