Home / 12,109,375,930.40-18,164,063,895.60-8,844,202,426.40

Finding the Fourth Proportional to 12,109,375,930.40, 18,164,063,895.60 and 8,844,202,426.40

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Solution

The fourth proportional to 12,109,375,930.40, 18,164,063,895.60 and 8,844,202,426.40 is: 13,266,303,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,375,930.40 : 18,164,063,895.60 = 8,844,202,426.40 : x
  2. Step 2: Convert to fraction form
    12,109,375,930.40/18,164,063,895.60 = 8,844,202,426.40/x
  3. Step 3: Cross multiply
    12,109,375,930.40x = 18,164,063,895.60 × 8,844,202,426.40
  4. Step 4: Simplify right side
    12,109,375,930.40x = 160,646,657,978,750,140,416
  5. Step 5: Solve for x
    x = 160,646,657,978,750,140,416/12,109,375,930.40
  6. Step 6: Final answer
    x = 13,266,303,639.60

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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.