Home / 12,111,619,320.80-18,167,428,981.20-12,111,619,320.80

Finding the Fourth Proportional to 12,111,619,320.80, 18,167,428,981.20 and 12,111,619,320.80

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Solution

The fourth proportional to 12,111,619,320.80, 18,167,428,981.20 and 12,111,619,320.80 is: 18,167,428,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,619,320.80 : 18,167,428,981.20 = 12,111,619,320.80 : x
  2. Step 2: Convert to fraction form
    12,111,619,320.80/18,167,428,981.20 = 12,111,619,320.80/x
  3. Step 3: Cross multiply
    12,111,619,320.80x = 18,167,428,981.20 × 12,111,619,320.80
  4. Step 4: Simplify right side
    12,111,619,320.80x = 220,036,983,857,963,761,664
  5. Step 5: Solve for x
    x = 220,036,983,857,963,761,664/12,111,619,320.80
  6. Step 6: Final answer
    x = 18,167,428,981.20

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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.