Home / 490,942,393.98-677,514,867-267,938,378.79

Finding the Fourth Proportional to 490,942,393.98, 677,514,867 and 267,938,378.79

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Solution

The fourth proportional to 490,942,393.98, 677,514,867 and 267,938,378.79 is: 369,762,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,942,393.98 : 677,514,867 = 267,938,378.79 : x
  2. Step 2: Convert to fraction form
    490,942,393.98/677,514,867 = 267,938,378.79/x
  3. Step 3: Cross multiply
    490,942,393.98x = 677,514,867 × 267,938,378.79
  4. Step 4: Simplify right side
    490,942,393.98x = 181,532,235,070,102,464
  5. Step 5: Solve for x
    x = 181,532,235,070,102,464/490,942,393.98
  6. Step 6: Final answer
    x = 369,762,801.70

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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.