Home / 574,128,000.80-861,192,001.20-574,128,000.80

Finding the Fourth Proportional to 574,128,000.80, 861,192,001.20 and 574,128,000.80

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Solution

The fourth proportional to 574,128,000.80, 861,192,001.20 and 574,128,000.80 is: 861,192,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,128,000.80 : 861,192,001.20 = 574,128,000.80 : x
  2. Step 2: Convert to fraction form
    574,128,000.80/861,192,001.20 = 574,128,000.80/x
  3. Step 3: Cross multiply
    574,128,000.80x = 861,192,001.20 × 574,128,000.80
  4. Step 4: Simplify right side
    574,128,000.80x = 494,434,441,953,907,200
  5. Step 5: Solve for x
    x = 494,434,441,953,907,200/574,128,000.80
  6. Step 6: Final answer
    x = 861,192,001.20

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1.5x scale

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.