Home / 20,154,145,445.56-27,812,732,687.58-11,243,474,208.28

Finding the Fourth Proportional to 20,154,145,445.56, 27,812,732,687.58 and 11,243,474,208.28

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Solution

The fourth proportional to 20,154,145,445.56, 27,812,732,687.58 and 11,243,474,208.28 is: 15,516,001,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,145,445.56 : 27,812,732,687.58 = 11,243,474,208.28 : x
  2. Step 2: Convert to fraction form
    20,154,145,445.56/27,812,732,687.58 = 11,243,474,208.28/x
  3. Step 3: Cross multiply
    20,154,145,445.56x = 27,812,732,687.58 × 11,243,474,208.28
  4. Step 4: Simplify right side
    20,154,145,445.56x = 312,711,742,634,591,846,400
  5. Step 5: Solve for x
    x = 312,711,742,634,591,846,400/20,154,145,445.56
  6. Step 6: Final answer
    x = 15,516,001,086.69

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1.5x scale

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.