Home / 408,760,900.93-613,111,692.81-159,719,330.71

Finding the Fourth Proportional to 408,760,900.93, 613,111,692.81 and 159,719,330.71

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Solution

The fourth proportional to 408,760,900.93, 613,111,692.81 and 159,719,330.71 is: 239,567,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,760,900.93 : 613,111,692.81 = 159,719,330.71 : x
  2. Step 2: Convert to fraction form
    408,760,900.93/613,111,692.81 = 159,719,330.71/x
  3. Step 3: Cross multiply
    408,760,900.93x = 613,111,692.81 × 159,719,330.71
  4. Step 4: Simplify right side
    408,760,900.93x = 97,925,789,228,282,080
  5. Step 5: Solve for x
    x = 97,925,789,228,282,080/408,760,900.93
  6. Step 6: Final answer
    x = 239,567,407.27

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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.