Home / 381,000,891.27-571,316,462.51-223,476,938.31

Finding the Fourth Proportional to 381,000,891.27, 571,316,462.51 and 223,476,938.31

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Solution

The fourth proportional to 381,000,891.27, 571,316,462.51 and 223,476,938.31 is: 335,106,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,000,891.27 : 571,316,462.51 = 223,476,938.31 : x
  2. Step 2: Convert to fraction form
    381,000,891.27/571,316,462.51 = 223,476,938.31/x
  3. Step 3: Cross multiply
    381,000,891.27x = 571,316,462.51 × 223,476,938.31
  4. Step 4: Simplify right side
    381,000,891.27x = 127,676,053,846,717,312
  5. Step 5: Solve for x
    x = 127,676,053,846,717,312/381,000,891.27
  6. Step 6: Final answer
    x = 335,106,968.97

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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.