Home / 18,197,891,128.40-27,296,836,692.60-7,156,767,390.80

Finding the Fourth Proportional to 18,197,891,128.40, 27,296,836,692.60 and 7,156,767,390.80

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Solution

The fourth proportional to 18,197,891,128.40, 27,296,836,692.60 and 7,156,767,390.80 is: 10,735,151,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,891,128.40 : 27,296,836,692.60 = 7,156,767,390.80 : x
  2. Step 2: Convert to fraction form
    18,197,891,128.40/27,296,836,692.60 = 7,156,767,390.80/x
  3. Step 3: Cross multiply
    18,197,891,128.40x = 27,296,836,692.60 × 7,156,767,390.80
  4. Step 4: Simplify right side
    18,197,891,128.40x = 195,357,110,713,592,610,816
  5. Step 5: Solve for x
    x = 195,357,110,713,592,610,816/18,197,891,128.40
  6. Step 6: Final answer
    x = 10,735,151,086.20

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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.