Home / 886,469,732.10-1,329,704,598.15-519,137,712.90

Finding the Fourth Proportional to 886,469,732.10, 1,329,704,598.15 and 519,137,712.90

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Solution

The fourth proportional to 886,469,732.10, 1,329,704,598.15 and 519,137,712.90 is: 778,706,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,469,732.10 : 1,329,704,598.15 = 519,137,712.90 : x
  2. Step 2: Convert to fraction form
    886,469,732.10/1,329,704,598.15 = 519,137,712.90/x
  3. Step 3: Cross multiply
    886,469,732.10x = 1,329,704,598.15 × 519,137,712.90
  4. Step 4: Simplify right side
    886,469,732.10x = 690,299,803,916,204,544
  5. Step 5: Solve for x
    x = 690,299,803,916,204,544/886,469,732.10
  6. Step 6: Final answer
    x = 778,706,569.35

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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.