Home / 8,931,509,629.20-13,397,264,443.80-3,689,375,605.20

Finding the Fourth Proportional to 8,931,509,629.20, 13,397,264,443.80 and 3,689,375,605.20

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Solution

The fourth proportional to 8,931,509,629.20, 13,397,264,443.80 and 3,689,375,605.20 is: 5,534,063,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,509,629.20 : 13,397,264,443.80 = 3,689,375,605.20 : x
  2. Step 2: Convert to fraction form
    8,931,509,629.20/13,397,264,443.80 = 3,689,375,605.20/x
  3. Step 3: Cross multiply
    8,931,509,629.20x = 13,397,264,443.80 × 3,689,375,605.20
  4. Step 4: Simplify right side
    8,931,509,629.20x = 49,427,540,615,369,064,448
  5. Step 5: Solve for x
    x = 49,427,540,615,369,064,448/8,931,509,629.20
  6. Step 6: Final answer
    x = 5,534,063,407.80

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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.