Home / 18,197,890,937.40-27,296,836,406.10-7,156,767,199.80

Finding the Fourth Proportional to 18,197,890,937.40, 27,296,836,406.10 and 7,156,767,199.80

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Solution

The fourth proportional to 18,197,890,937.40, 27,296,836,406.10 and 7,156,767,199.80 is: 10,735,150,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,890,937.40 : 27,296,836,406.10 = 7,156,767,199.80 : x
  2. Step 2: Convert to fraction form
    18,197,890,937.40/27,296,836,406.10 = 7,156,767,199.80/x
  3. Step 3: Cross multiply
    18,197,890,937.40x = 27,296,836,406.10 × 7,156,767,199.80
  4. Step 4: Simplify right side
    18,197,890,937.40x = 195,357,103,449,482,985,472
  5. Step 5: Solve for x
    x = 195,357,103,449,482,985,472/18,197,890,937.40
  6. Step 6: Final answer
    x = 10,735,150,799.70

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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.