Home / 438,444,871.56-605,053,832.40-240,213,398.04

Finding the Fourth Proportional to 438,444,871.56, 605,053,832.40 and 240,213,398.04

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Solution

The fourth proportional to 438,444,871.56, 605,053,832.40 and 240,213,398.04 is: 331,494,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,444,871.56 : 605,053,832.40 = 240,213,398.04 : x
  2. Step 2: Convert to fraction form
    438,444,871.56/605,053,832.40 = 240,213,398.04/x
  3. Step 3: Cross multiply
    438,444,871.56x = 605,053,832.40 × 240,213,398.04
  4. Step 4: Simplify right side
    438,444,871.56x = 145,342,037,077,928,640
  5. Step 5: Solve for x
    x = 145,342,037,077,928,640/438,444,871.56
  6. Step 6: Final answer
    x = 331,494,439.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.