Home / 1,451,962,649.80-2,178,794,280.30-531,931,990.60

Finding the Fourth Proportional to 1,451,962,649.80, 2,178,794,280.30 and 531,931,990.60

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Solution

The fourth proportional to 1,451,962,649.80, 2,178,794,280.30 and 531,931,990.60 is: 798,209,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,962,649.80 : 2,178,794,280.30 = 531,931,990.60 : x
  2. Step 2: Convert to fraction form
    1,451,962,649.80/2,178,794,280.30 = 531,931,990.60/x
  3. Step 3: Cross multiply
    1,451,962,649.80x = 2,178,794,280.30 × 531,931,990.60
  4. Step 4: Simplify right side
    1,451,962,649.80x = 1,158,970,378,627,873,536
  5. Step 5: Solve for x
    x = 1,158,970,378,627,873,536/1,451,962,649.80
  6. Step 6: Final answer
    x = 798,209,498.56

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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.