Home / 402,181,399.05-555,056,829.01-234,959,461.58

Finding the Fourth Proportional to 402,181,399.05, 555,056,829.01 and 234,959,461.58

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Solution

The fourth proportional to 402,181,399.05, 555,056,829.01 and 234,959,461.58 is: 324,271,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,181,399.05 : 555,056,829.01 = 234,959,461.58 : x
  2. Step 2: Convert to fraction form
    402,181,399.05/555,056,829.01 = 234,959,461.58/x
  3. Step 3: Cross multiply
    402,181,399.05x = 555,056,829.01 × 234,959,461.58
  4. Step 4: Simplify right side
    402,181,399.05x = 130,415,853,690,491,728
  5. Step 5: Solve for x
    x = 130,415,853,690,491,728/402,181,399.05
  6. Step 6: Final answer
    x = 324,271,221.89

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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.