Home / 498,635,999.40-747,953,999.10-269,053,487.40

Finding the Fourth Proportional to 498,635,999.40, 747,953,999.10 and 269,053,487.40

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Solution

The fourth proportional to 498,635,999.40, 747,953,999.10 and 269,053,487.40 is: 403,580,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,635,999.40 : 747,953,999.10 = 269,053,487.40 : x
  2. Step 2: Convert to fraction form
    498,635,999.40/747,953,999.10 = 269,053,487.40/x
  3. Step 3: Cross multiply
    498,635,999.40x = 747,953,999.10 × 269,053,487.40
  4. Step 4: Simplify right side
    498,635,999.40x = 201,239,631,872,631,456
  5. Step 5: Solve for x
    x = 201,239,631,872,631,456/498,635,999.40
  6. Step 6: Final answer
    x = 403,580,231.10

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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.