Home / 489,993,077.55-676,181,933.19-266,976,591.87

Finding the Fourth Proportional to 489,993,077.55, 676,181,933.19 and 266,976,591.87

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Solution

The fourth proportional to 489,993,077.55, 676,181,933.19 and 266,976,591.87 is: 368,423,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,993,077.55 : 676,181,933.19 = 266,976,591.87 : x
  2. Step 2: Convert to fraction form
    489,993,077.55/676,181,933.19 = 266,976,591.87/x
  3. Step 3: Cross multiply
    489,993,077.55x = 676,181,933.19 × 266,976,591.87
  4. Step 4: Simplify right side
    489,993,077.55x = 180,524,748,007,134,240
  5. Step 5: Solve for x
    x = 180,524,748,007,134,240/489,993,077.55
  6. Step 6: Final answer
    x = 368,423,057.95

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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.