Home / 265,721,000.70-398,581,501.05-156,433,986.30

Finding the Fourth Proportional to 265,721,000.70, 398,581,501.05 and 156,433,986.30

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Solution

The fourth proportional to 265,721,000.70, 398,581,501.05 and 156,433,986.30 is: 234,650,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,000.70 : 398,581,501.05 = 156,433,986.30 : x
  2. Step 2: Convert to fraction form
    265,721,000.70/398,581,501.05 = 156,433,986.30/x
  3. Step 3: Cross multiply
    265,721,000.70x = 398,581,501.05 × 156,433,986.30
  4. Step 4: Simplify right side
    265,721,000.70x = 62,351,693,074,689,144
  5. Step 5: Solve for x
    x = 62,351,693,074,689,144/265,721,000.70
  6. Step 6: Final answer
    x = 234,650,979.45

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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.