Home / 542,857,960.16-813,915,198.59-276,447,979.88

Finding the Fourth Proportional to 542,857,960.16, 813,915,198.59 and 276,447,979.88

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Solution

The fourth proportional to 542,857,960.16, 813,915,198.59 and 276,447,979.88 is: 414,482,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,857,960.16 : 813,915,198.59 = 276,447,979.88 : x
  2. Step 2: Convert to fraction form
    542,857,960.16/813,915,198.59 = 276,447,979.88/x
  3. Step 3: Cross multiply
    542,857,960.16x = 813,915,198.59 × 276,447,979.88
  4. Step 4: Simplify right side
    542,857,960.16x = 225,005,212,443,834,528
  5. Step 5: Solve for x
    x = 225,005,212,443,834,528/542,857,960.16
  6. Step 6: Final answer
    x = 414,482,662.05

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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.