Home / 513,986,861.94-769,722,910.08-464,243,423.92

Finding the Fourth Proportional to 513,986,861.94, 769,722,910.08 and 464,243,423.92

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Solution

The fourth proportional to 513,986,861.94, 769,722,910.08 and 464,243,423.92 is: 695,229,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,986,861.94 : 769,722,910.08 = 464,243,423.92 : x
  2. Step 2: Convert to fraction form
    513,986,861.94/769,722,910.08 = 464,243,423.92/x
  3. Step 3: Cross multiply
    513,986,861.94x = 769,722,910.08 × 464,243,423.92
  4. Step 4: Simplify right side
    513,986,861.94x = 357,338,799,243,281,216
  5. Step 5: Solve for x
    x = 357,338,799,243,281,216/513,986,861.94
  6. Step 6: Final answer
    x = 695,229,442.05

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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.