Home / 498,230,652.70-747,345,979.05-290,756,086.30

Finding the Fourth Proportional to 498,230,652.70, 747,345,979.05 and 290,756,086.30

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Solution

The fourth proportional to 498,230,652.70, 747,345,979.05 and 290,756,086.30 is: 436,134,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,230,652.70 : 747,345,979.05 = 290,756,086.30 : x
  2. Step 2: Convert to fraction form
    498,230,652.70/747,345,979.05 = 290,756,086.30/x
  3. Step 3: Cross multiply
    498,230,652.70x = 747,345,979.05 × 290,756,086.30
  4. Step 4: Simplify right side
    498,230,652.70x = 217,295,391,980,619,776
  5. Step 5: Solve for x
    x = 217,295,391,980,619,776/498,230,652.70
  6. Step 6: Final answer
    x = 436,134,129.45

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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.