Home / 490,942,392.48-677,514,864.93-267,938,377.29

Finding the Fourth Proportional to 490,942,392.48, 677,514,864.93 and 267,938,377.29

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Solution

The fourth proportional to 490,942,392.48, 677,514,864.93 and 267,938,377.29 is: 369,762,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,942,392.48 : 677,514,864.93 = 267,938,377.29 : x
  2. Step 2: Convert to fraction form
    490,942,392.48/677,514,864.93 = 267,938,377.29/x
  3. Step 3: Cross multiply
    490,942,392.48x = 677,514,864.93 × 267,938,377.29
  4. Step 4: Simplify right side
    490,942,392.48x = 181,532,233,499,197,696
  5. Step 5: Solve for x
    x = 181,532,233,499,197,696/490,942,392.48
  6. Step 6: Final answer
    x = 369,762,799.63

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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.