Home / 540,487,860.57-745,853,258.12-292,963,900.41

Finding the Fourth Proportional to 540,487,860.57, 745,853,258.12 and 292,963,900.41

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Solution

The fourth proportional to 540,487,860.57, 745,853,258.12 and 292,963,900.41 is: 404,279,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,487,860.57 : 745,853,258.12 = 292,963,900.41 : x
  2. Step 2: Convert to fraction form
    540,487,860.57/745,853,258.12 = 292,963,900.41/x
  3. Step 3: Cross multiply
    540,487,860.57x = 745,853,258.12 × 292,963,900.41
  4. Step 4: Simplify right side
    540,487,860.57x = 218,508,079,630,876,896
  5. Step 5: Solve for x
    x = 218,508,079,630,876,896/540,487,860.57
  6. Step 6: Final answer
    x = 404,279,347.55

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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.