Home / 290,282,232.75-400,576,558.89-169,591,407.05

Finding the Fourth Proportional to 290,282,232.75, 400,576,558.89 and 169,591,407.05

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Solution

The fourth proportional to 290,282,232.75, 400,576,558.89 and 169,591,407.05 is: 234,028,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,282,232.75 : 400,576,558.89 = 169,591,407.05 : x
  2. Step 2: Convert to fraction form
    290,282,232.75/400,576,558.89 = 169,591,407.05/x
  3. Step 3: Cross multiply
    290,282,232.75x = 400,576,558.89 × 169,591,407.05
  4. Step 4: Simplify right side
    290,282,232.75x = 67,934,342,251,399,392
  5. Step 5: Solve for x
    x = 67,934,342,251,399,392/290,282,232.75
  6. Step 6: Final answer
    x = 234,028,592.13

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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.