Home / 669,309,857.60-1,005,980,325.60-580,626,132.80

Finding the Fourth Proportional to 669,309,857.60, 1,005,980,325.60 and 580,626,132.80

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Solution

The fourth proportional to 669,309,857.60, 1,005,980,325.60 and 580,626,132.80 is: 872,687,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,309,857.60 : 1,005,980,325.60 = 580,626,132.80 : x
  2. Step 2: Convert to fraction form
    669,309,857.60/1,005,980,325.60 = 580,626,132.80/x
  3. Step 3: Cross multiply
    669,309,857.60x = 1,005,980,325.60 × 580,626,132.80
  4. Step 4: Simplify right side
    669,309,857.60x = 584,098,466,126,012,800
  5. Step 5: Solve for x
    x = 584,098,466,126,012,800/669,309,857.60
  6. Step 6: Final answer
    x = 872,687,678.95

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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.