Home / 629,955,521.40-944,933,282.10-515,164,265.40

Finding the Fourth Proportional to 629,955,521.40, 944,933,282.10 and 515,164,265.40

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Solution

The fourth proportional to 629,955,521.40, 944,933,282.10 and 515,164,265.40 is: 772,746,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,955,521.40 : 944,933,282.10 = 515,164,265.40 : x
  2. Step 2: Convert to fraction form
    629,955,521.40/944,933,282.10 = 515,164,265.40/x
  3. Step 3: Cross multiply
    629,955,521.40x = 944,933,282.10 × 515,164,265.40
  4. Step 4: Simplify right side
    629,955,521.40x = 486,795,860,125,057,472
  5. Step 5: Solve for x
    x = 486,795,860,125,057,472/629,955,521.40
  6. Step 6: Final answer
    x = 772,746,398.10

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Similar ratio
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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.