Home / 453,001,969.50-679,505,442.57-112,599,793.50

Finding the Fourth Proportional to 453,001,969.50, 679,505,442.57 and 112,599,793.50

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Solution

The fourth proportional to 453,001,969.50, 679,505,442.57 and 112,599,793.50 is: 168,900,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,001,969.50 : 679,505,442.57 = 112,599,793.50 : x
  2. Step 2: Convert to fraction form
    453,001,969.50/679,505,442.57 = 112,599,793.50/x
  3. Step 3: Cross multiply
    453,001,969.50x = 679,505,442.57 × 112,599,793.50
  4. Step 4: Simplify right side
    453,001,969.50x = 76,512,172,515,508,112
  5. Step 5: Solve for x
    x = 76,512,172,515,508,112/453,001,969.50
  6. Step 6: Final answer
    x = 168,900,308.76

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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.