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Finding the Fourth Proportional to 629,859,114.90, 944,788,672.35 and 384,971,102.10

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Solution

The fourth proportional to 629,859,114.90, 944,788,672.35 and 384,971,102.10 is: 577,456,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,114.90 : 944,788,672.35 = 384,971,102.10 : x
  2. Step 2: Convert to fraction form
    629,859,114.90/944,788,672.35 = 384,971,102.10/x
  3. Step 3: Cross multiply
    629,859,114.90x = 944,788,672.35 × 384,971,102.10
  4. Step 4: Simplify right side
    629,859,114.90x = 363,716,336,446,175,360
  5. Step 5: Solve for x
    x = 363,716,336,446,175,360/629,859,114.90
  6. Step 6: Final answer
    x = 577,456,653.15

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Double scale
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Similar ratio
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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.