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Finding the Fourth Proportional to 496,915,980.30, 745,366,972.05 and 224,286,309.90

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Solution

The fourth proportional to 496,915,980.30, 745,366,972.05 and 224,286,309.90 is: 336,426,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,915,980.30 : 745,366,972.05 = 224,286,309.90 : x
  2. Step 2: Convert to fraction form
    496,915,980.30/745,366,972.05 = 224,286,309.90/x
  3. Step 3: Cross multiply
    496,915,980.30x = 745,366,972.05 × 224,286,309.90
  4. Step 4: Simplify right side
    496,915,980.30x = 167,175,607,682,430,944
  5. Step 5: Solve for x
    x = 167,175,607,682,430,944/496,915,980.30
  6. Step 6: Final answer
    x = 336,426,306.08

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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.