Home / 667,413,248.10-1,001,214,350.55-207,303,440.10

Finding the Fourth Proportional to 667,413,248.10, 1,001,214,350.55 and 207,303,440.10

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Solution

The fourth proportional to 667,413,248.10, 1,001,214,350.55 and 207,303,440.10 is: 310,984,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,413,248.10 : 1,001,214,350.55 = 207,303,440.10 : x
  2. Step 2: Convert to fraction form
    667,413,248.10/1,001,214,350.55 = 207,303,440.10/x
  3. Step 3: Cross multiply
    667,413,248.10x = 1,001,214,350.55 × 207,303,440.10
  4. Step 4: Simplify right side
    667,413,248.10x = 207,555,179,146,502,304
  5. Step 5: Solve for x
    x = 207,555,179,146,502,304/667,413,248.10
  6. Step 6: Final answer
    x = 310,984,505.83

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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.