Home / 653,256,000.80-979,884,001.20-168,581,808.80

Finding the Fourth Proportional to 653,256,000.80, 979,884,001.20 and 168,581,808.80

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Solution

The fourth proportional to 653,256,000.80, 979,884,001.20 and 168,581,808.80 is: 252,872,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,256,000.80 : 979,884,001.20 = 168,581,808.80 : x
  2. Step 2: Convert to fraction form
    653,256,000.80/979,884,001.20 = 168,581,808.80/x
  3. Step 3: Cross multiply
    653,256,000.80x = 979,884,001.20 × 168,581,808.80
  4. Step 4: Simplify right side
    653,256,000.80x = 165,190,617,336,477,376
  5. Step 5: Solve for x
    x = 165,190,617,336,477,376/653,256,000.80
  6. Step 6: Final answer
    x = 252,872,713.20

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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.