Home / 490,942,397.72-677,514,872.40-267,938,382.62

Finding the Fourth Proportional to 490,942,397.72, 677,514,872.40 and 267,938,382.62

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Solution

The fourth proportional to 490,942,397.72, 677,514,872.40 and 267,938,382.62 is: 369,762,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,942,397.72 : 677,514,872.40 = 267,938,382.62 : x
  2. Step 2: Convert to fraction form
    490,942,397.72/677,514,872.40 = 267,938,382.62/x
  3. Step 3: Cross multiply
    490,942,397.72x = 677,514,872.40 × 267,938,382.62
  4. Step 4: Simplify right side
    490,942,397.72x = 181,532,239,111,851,680
  5. Step 5: Solve for x
    x = 181,532,239,111,851,680/490,942,397.72
  6. Step 6: Final answer
    x = 369,762,807.11

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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.