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Finding the Fourth Proportional to 551,862,753.08, 828,138,755.66 and 367,759,411.72

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Solution

The fourth proportional to 551,862,753.08, 828,138,755.66 and 367,759,411.72 is: 551,868,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,862,753.08 : 828,138,755.66 = 367,759,411.72 : x
  2. Step 2: Convert to fraction form
    551,862,753.08/828,138,755.66 = 367,759,411.72/x
  3. Step 3: Cross multiply
    551,862,753.08x = 828,138,755.66 × 367,759,411.72
  4. Step 4: Simplify right side
    551,862,753.08x = 304,555,821,600,145,216
  5. Step 5: Solve for x
    x = 304,555,821,600,145,216/551,862,753.08
  6. Step 6: Final answer
    x = 551,868,775.17

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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.