Home / 510,961,119.60-766,430,649.48-142,486,256.88

Finding the Fourth Proportional to 510,961,119.60, 766,430,649.48 and 142,486,256.88

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Solution

The fourth proportional to 510,961,119.60, 766,430,649.48 and 142,486,256.88 is: 213,726,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,961,119.60 : 766,430,649.48 = 142,486,256.88 : x
  2. Step 2: Convert to fraction form
    510,961,119.60/766,430,649.48 = 142,486,256.88/x
  3. Step 3: Cross multiply
    510,961,119.60x = 766,430,649.48 × 142,486,256.88
  4. Step 4: Simplify right side
    510,961,119.60x = 109,205,834,402,512,512
  5. Step 5: Solve for x
    x = 109,205,834,402,512,512/510,961,119.60
  6. Step 6: Final answer
    x = 213,726,309.52

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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.