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Finding the Fourth Proportional to 629,859,145.20, 944,788,717.80 and 583,942,642.80

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Solution

The fourth proportional to 629,859,145.20, 944,788,717.80 and 583,942,642.80 is: 875,913,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,145.20 : 944,788,717.80 = 583,942,642.80 : x
  2. Step 2: Convert to fraction form
    629,859,145.20/944,788,717.80 = 583,942,642.80/x
  3. Step 3: Cross multiply
    629,859,145.20x = 944,788,717.80 × 583,942,642.80
  4. Step 4: Simplify right side
    629,859,145.20x = 551,702,420,759,755,328
  5. Step 5: Solve for x
    x = 551,702,420,759,755,328/629,859,145.20
  6. Step 6: Final answer
    x = 875,913,964.20

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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.