Home / 453,312,672.30-679,969,008.45-146,635,785.90

Finding the Fourth Proportional to 453,312,672.30, 679,969,008.45 and 146,635,785.90

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Solution

The fourth proportional to 453,312,672.30, 679,969,008.45 and 146,635,785.90 is: 219,953,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,312,672.30 : 679,969,008.45 = 146,635,785.90 : x
  2. Step 2: Convert to fraction form
    453,312,672.30/679,969,008.45 = 146,635,785.90/x
  3. Step 3: Cross multiply
    453,312,672.30x = 679,969,008.45 × 146,635,785.90
  4. Step 4: Simplify right side
    453,312,672.30x = 99,707,789,941,709,504
  5. Step 5: Solve for x
    x = 99,707,789,941,709,504/453,312,672.30
  6. Step 6: Final answer
    x = 219,953,678.85

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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.