Home / 438,098,984.10-657,148,476.15-127,205,999.10

Finding the Fourth Proportional to 438,098,984.10, 657,148,476.15 and 127,205,999.10

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Solution

The fourth proportional to 438,098,984.10, 657,148,476.15 and 127,205,999.10 is: 190,808,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,098,984.10 : 657,148,476.15 = 127,205,999.10 : x
  2. Step 2: Convert to fraction form
    438,098,984.10/657,148,476.15 = 127,205,999.10/x
  3. Step 3: Cross multiply
    438,098,984.10x = 657,148,476.15 × 127,205,999.10
  4. Step 4: Simplify right side
    438,098,984.10x = 83,593,228,465,703,264
  5. Step 5: Solve for x
    x = 83,593,228,465,703,264/438,098,984.10
  6. Step 6: Final answer
    x = 190,808,998.65

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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.