Home / 490,155,895.76-676,406,776.56-267,140,215.76

Finding the Fourth Proportional to 490,155,895.76, 676,406,776.56 and 267,140,215.76

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Solution

The fourth proportional to 490,155,895.76, 676,406,776.56 and 267,140,215.76 is: 368,648,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,155,895.76 : 676,406,776.56 = 267,140,215.76 : x
  2. Step 2: Convert to fraction form
    490,155,895.76/676,406,776.56 = 267,140,215.76/x
  3. Step 3: Cross multiply
    490,155,895.76x = 676,406,776.56 × 267,140,215.76
  4. Step 4: Simplify right side
    490,155,895.76x = 180,695,452,231,764,480
  5. Step 5: Solve for x
    x = 180,695,452,231,764,480/490,155,895.76
  6. Step 6: Final answer
    x = 368,648,941.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.