Home / 265,721,000.70-398,581,501.05-188,236,902.90

Finding the Fourth Proportional to 265,721,000.70, 398,581,501.05 and 188,236,902.90

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Solution

The fourth proportional to 265,721,000.70, 398,581,501.05 and 188,236,902.90 is: 282,355,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,000.70 : 398,581,501.05 = 188,236,902.90 : x
  2. Step 2: Convert to fraction form
    265,721,000.70/398,581,501.05 = 188,236,902.90/x
  3. Step 3: Cross multiply
    265,721,000.70x = 398,581,501.05 × 188,236,902.90
  4. Step 4: Simplify right side
    265,721,000.70x = 75,027,747,310,885,104
  5. Step 5: Solve for x
    x = 75,027,747,310,885,104/265,721,000.70
  6. Step 6: Final answer
    x = 282,355,354.35

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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.