Home / 766,604,334.60-1,149,906,501.90-491,105,320.20

Finding the Fourth Proportional to 766,604,334.60, 1,149,906,501.90 and 491,105,320.20

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Solution

The fourth proportional to 766,604,334.60, 1,149,906,501.90 and 491,105,320.20 is: 736,657,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,604,334.60 : 1,149,906,501.90 = 491,105,320.20 : x
  2. Step 2: Convert to fraction form
    766,604,334.60/1,149,906,501.90 = 491,105,320.20/x
  3. Step 3: Cross multiply
    766,604,334.60x = 1,149,906,501.90 × 491,105,320.20
  4. Step 4: Simplify right side
    766,604,334.60x = 564,725,200,815,661,440
  5. Step 5: Solve for x
    x = 564,725,200,815,661,440/766,604,334.60
  6. Step 6: Final answer
    x = 736,657,980.30

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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.