Home / 498,226,502.70-747,339,754.05-290,751,936.30

Finding the Fourth Proportional to 498,226,502.70, 747,339,754.05 and 290,751,936.30

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Solution

The fourth proportional to 498,226,502.70, 747,339,754.05 and 290,751,936.30 is: 436,127,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,226,502.70 : 747,339,754.05 = 290,751,936.30 : x
  2. Step 2: Convert to fraction form
    498,226,502.70/747,339,754.05 = 290,751,936.30/x
  3. Step 3: Cross multiply
    498,226,502.70x = 747,339,754.05 × 290,751,936.30
  4. Step 4: Simplify right side
    498,226,502.70x = 217,290,480,564,003,264
  5. Step 5: Solve for x
    x = 217,290,480,564,003,264/498,226,502.70
  6. Step 6: Final answer
    x = 436,127,904.45

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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.