Home / 438,060,570-657,736,798.80-244,350,456.72

Finding the Fourth Proportional to 438,060,570, 657,736,798.80 and 244,350,456.72

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Solution

The fourth proportional to 438,060,570, 657,736,798.80 and 244,350,456.72 is: 366,885,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,060,570 : 657,736,798.80 = 244,350,456.72 : x
  2. Step 2: Convert to fraction form
    438,060,570/657,736,798.80 = 244,350,456.72/x
  3. Step 3: Cross multiply
    438,060,570x = 657,736,798.80 × 244,350,456.72
  4. Step 4: Simplify right side
    438,060,570x = 160,718,287,188,330,720
  5. Step 5: Solve for x
    x = 160,718,287,188,330,720/438,060,570
  6. Step 6: Final answer
    x = 366,885,992.93

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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.