Home / 486,081,695.28-729,061,041.42-154,091,905.14

Finding the Fourth Proportional to 486,081,695.28, 729,061,041.42 and 154,091,905.14

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Solution

The fourth proportional to 486,081,695.28, 729,061,041.42 and 154,091,905.14 is: 231,118,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,081,695.28 : 729,061,041.42 = 154,091,905.14 : x
  2. Step 2: Convert to fraction form
    486,081,695.28/729,061,041.42 = 154,091,905.14/x
  3. Step 3: Cross multiply
    486,081,695.28x = 729,061,041.42 × 154,091,905.14
  4. Step 4: Simplify right side
    486,081,695.28x = 112,342,404,835,760,240
  5. Step 5: Solve for x
    x = 112,342,404,835,760,240/486,081,695.28
  6. Step 6: Final answer
    x = 231,118,361.23

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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.