Home / 13,928,375,674.60-20,865,353,732.70-8,391,185,607.40

Finding the Fourth Proportional to 13,928,375,674.60, 20,865,353,732.70 and 8,391,185,607.40

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Solution

The fourth proportional to 13,928,375,674.60, 20,865,353,732.70 and 8,391,185,607.40 is: 12,570,385,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,375,674.60 : 20,865,353,732.70 = 8,391,185,607.40 : x
  2. Step 2: Convert to fraction form
    13,928,375,674.60/20,865,353,732.70 = 8,391,185,607.40/x
  3. Step 3: Cross multiply
    13,928,375,674.60x = 20,865,353,732.70 × 8,391,185,607.40
  4. Step 4: Simplify right side
    13,928,375,674.60x = 175,085,055,935,142,100,992
  5. Step 5: Solve for x
    x = 175,085,055,935,142,100,992/13,928,375,674.60
  6. Step 6: Final answer
    x = 12,570,385,809.91

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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.