Home / 653,256,001.80-979,884,002.70-168,581,809.80

Finding the Fourth Proportional to 653,256,001.80, 979,884,002.70 and 168,581,809.80

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Solution

The fourth proportional to 653,256,001.80, 979,884,002.70 and 168,581,809.80 is: 252,872,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,256,001.80 : 979,884,002.70 = 168,581,809.80 : x
  2. Step 2: Convert to fraction form
    653,256,001.80/979,884,002.70 = 168,581,809.80/x
  3. Step 3: Cross multiply
    653,256,001.80x = 979,884,002.70 × 168,581,809.80
  4. Step 4: Simplify right side
    653,256,001.80x = 165,190,618,569,234,112
  5. Step 5: Solve for x
    x = 165,190,618,569,234,112/653,256,001.80
  6. Step 6: Final answer
    x = 252,872,714.70

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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.