Home / 20,038,165,178.78-27,662,082,685.66-11,578,352,532.95

Finding the Fourth Proportional to 20,038,165,178.78, 27,662,082,685.66 and 11,578,352,532.95

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Solution

The fourth proportional to 20,038,165,178.78, 27,662,082,685.66 and 11,578,352,532.95 is: 15,983,566,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,165,178.78 : 27,662,082,685.66 = 11,578,352,532.95 : x
  2. Step 2: Convert to fraction form
    20,038,165,178.78/27,662,082,685.66 = 11,578,352,532.95/x
  3. Step 3: Cross multiply
    20,038,165,178.78x = 27,662,082,685.66 × 11,578,352,532.95
  4. Step 4: Simplify right side
    20,038,165,178.78x = 320,281,345,130,183,786,496
  5. Step 5: Solve for x
    x = 320,281,345,130,183,786,496/20,038,165,178.78
  6. Step 6: Final answer
    x = 15,983,566,472.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.