Home / 999,549,201,251.75-1,498,851,164,575.20-387,215,561,780.55

Finding the Fourth Proportional to 999,549,201,251.75, 1,498,851,164,575.20 and 387,215,561,780.55

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Solution

The fourth proportional to 999,549,201,251.75, 1,498,851,164,575.20 and 387,215,561,780.55 is: 580,640,247,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,549,201,251.75 : 1,498,851,164,575.20 = 387,215,561,780.55 : x
  2. Step 2: Convert to fraction form
    999,549,201,251.75/1,498,851,164,575.20 = 387,215,561,780.55/x
  3. Step 3: Cross multiply
    999,549,201,251.75x = 1,498,851,164,575.20 × 387,215,561,780.55
  4. Step 4: Simplify right side
    999,549,201,251.75x = 580,378,495,716,417,658,159,104
  5. Step 5: Solve for x
    x = 580,378,495,716,417,658,159,104/999,549,201,251.75
  6. Step 6: Final answer
    x = 580,640,247,613.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.