Home / 1,327,104,002.60-1,990,656,003.90-465,548,085.80

Finding the Fourth Proportional to 1,327,104,002.60, 1,990,656,003.90 and 465,548,085.80

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Solution

The fourth proportional to 1,327,104,002.60, 1,990,656,003.90 and 465,548,085.80 is: 698,322,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,104,002.60 : 1,990,656,003.90 = 465,548,085.80 : x
  2. Step 2: Convert to fraction form
    1,327,104,002.60/1,990,656,003.90 = 465,548,085.80/x
  3. Step 3: Cross multiply
    1,327,104,002.60x = 1,990,656,003.90 × 465,548,085.80
  4. Step 4: Simplify right side
    1,327,104,002.60x = 926,746,092,101,922,432
  5. Step 5: Solve for x
    x = 926,746,092,101,922,432/1,327,104,002.60
  6. Step 6: Final answer
    x = 698,322,128.70

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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.