Home / 766,934,432.80-1,150,401,649.20-532,250,087.20

Finding the Fourth Proportional to 766,934,432.80, 1,150,401,649.20 and 532,250,087.20

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Solution

The fourth proportional to 766,934,432.80, 1,150,401,649.20 and 532,250,087.20 is: 798,375,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,934,432.80 : 1,150,401,649.20 = 532,250,087.20 : x
  2. Step 2: Convert to fraction form
    766,934,432.80/1,150,401,649.20 = 532,250,087.20/x
  3. Step 3: Cross multiply
    766,934,432.80x = 1,150,401,649.20 × 532,250,087.20
  4. Step 4: Simplify right side
    766,934,432.80x = 612,301,378,101,723,776
  5. Step 5: Solve for x
    x = 612,301,378,101,723,776/766,934,432.80
  6. Step 6: Final answer
    x = 798,375,130.80

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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.