Home / 412,047,340.20-618,071,010.30-356,564,899.80

Finding the Fourth Proportional to 412,047,340.20, 618,071,010.30 and 356,564,899.80

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Solution

The fourth proportional to 412,047,340.20, 618,071,010.30 and 356,564,899.80 is: 534,847,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,047,340.20 : 618,071,010.30 = 356,564,899.80 : x
  2. Step 2: Convert to fraction form
    412,047,340.20/618,071,010.30 = 356,564,899.80/x
  3. Step 3: Cross multiply
    412,047,340.20x = 618,071,010.30 × 356,564,899.80
  4. Step 4: Simplify right side
    412,047,340.20x = 220,382,427,856,904,256
  5. Step 5: Solve for x
    x = 220,382,427,856,904,256/412,047,340.20
  6. Step 6: Final answer
    x = 534,847,349.70

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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.