Home / 290,282,233.50-400,576,559.93-169,591,407.80

Finding the Fourth Proportional to 290,282,233.50, 400,576,559.93 and 169,591,407.80

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Solution

The fourth proportional to 290,282,233.50, 400,576,559.93 and 169,591,407.80 is: 234,028,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,282,233.50 : 400,576,559.93 = 169,591,407.80 : x
  2. Step 2: Convert to fraction form
    290,282,233.50/400,576,559.93 = 169,591,407.80/x
  3. Step 3: Cross multiply
    290,282,233.50x = 400,576,559.93 × 169,591,407.80
  4. Step 4: Simplify right side
    290,282,233.50x = 67,934,342,727,358,928
  5. Step 5: Solve for x
    x = 67,934,342,727,358,928/290,282,233.50
  6. Step 6: Final answer
    x = 234,028,593.17

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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.