Home / 487,917,077.32-673,335,196.50-267,898,578.76

Finding the Fourth Proportional to 487,917,077.32, 673,335,196.50 and 267,898,578.76

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Solution

The fourth proportional to 487,917,077.32, 673,335,196.50 and 267,898,578.76 is: 369,705,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,917,077.32 : 673,335,196.50 = 267,898,578.76 : x
  2. Step 2: Convert to fraction form
    487,917,077.32/673,335,196.50 = 267,898,578.76/x
  3. Step 3: Cross multiply
    487,917,077.32x = 673,335,196.50 × 267,898,578.76
  4. Step 4: Simplify right side
    487,917,077.32x = 180,385,542,171,435,328
  5. Step 5: Solve for x
    x = 180,385,542,171,435,328/487,917,077.32
  6. Step 6: Final answer
    x = 369,705,326.08

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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.