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Finding the Fourth Proportional to 556,603,068.80, 834,635,553.60 and 206,607,797.12

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Solution

The fourth proportional to 556,603,068.80, 834,635,553.60 and 206,607,797.12 is: 309,811,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,603,068.80 : 834,635,553.60 = 206,607,797.12 : x
  2. Step 2: Convert to fraction form
    556,603,068.80/834,635,553.60 = 206,607,797.12/x
  3. Step 3: Cross multiply
    556,603,068.80x = 834,635,553.60 × 206,607,797.12
  4. Step 4: Simplify right side
    556,603,068.80x = 172,442,213,127,327,680
  5. Step 5: Solve for x
    x = 172,442,213,127,327,680/556,603,068.80
  6. Step 6: Final answer
    x = 309,811,826.05

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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.