Home / 580,336,747.90-869,371,381.05-349,620,495.10

Finding the Fourth Proportional to 580,336,747.90, 869,371,381.05 and 349,620,495.10

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Solution

The fourth proportional to 580,336,747.90, 869,371,381.05 and 349,620,495.10 is: 523,747,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,336,747.90 : 869,371,381.05 = 349,620,495.10 : x
  2. Step 2: Convert to fraction form
    580,336,747.90/869,371,381.05 = 349,620,495.10/x
  3. Step 3: Cross multiply
    580,336,747.90x = 869,371,381.05 × 349,620,495.10
  4. Step 4: Simplify right side
    580,336,747.90x = 303,950,052,668,471,744
  5. Step 5: Solve for x
    x = 303,950,052,668,471,744/580,336,747.90
  6. Step 6: Final answer
    x = 523,747,727.11

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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.