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Finding the Fourth Proportional to 496,978,809.30, 745,461,215.55 and 224,349,138.90

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Solution

The fourth proportional to 496,978,809.30, 745,461,215.55 and 224,349,138.90 is: 336,520,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,978,809.30 : 745,461,215.55 = 224,349,138.90 : x
  2. Step 2: Convert to fraction form
    496,978,809.30/745,461,215.55 = 224,349,138.90/x
  3. Step 3: Cross multiply
    496,978,809.30x = 745,461,215.55 × 224,349,138.90
  4. Step 4: Simplify right side
    496,978,809.30x = 167,243,581,791,989,792
  5. Step 5: Solve for x
    x = 167,243,581,791,989,792/496,978,809.30
  6. Step 6: Final answer
    x = 336,520,549.09

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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.