Home / 467,836,058.40-645,588,183.15-256,101,928.80

Finding the Fourth Proportional to 467,836,058.40, 645,588,183.15 and 256,101,928.80

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Solution

The fourth proportional to 467,836,058.40, 645,588,183.15 and 256,101,928.80 is: 353,406,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,836,058.40 : 645,588,183.15 = 256,101,928.80 : x
  2. Step 2: Convert to fraction form
    467,836,058.40/645,588,183.15 = 256,101,928.80/x
  3. Step 3: Cross multiply
    467,836,058.40x = 645,588,183.15 × 256,101,928.80
  4. Step 4: Simplify right side
    467,836,058.40x = 165,336,378,915,202,656
  5. Step 5: Solve for x
    x = 165,336,378,915,202,656/467,836,058.40
  6. Step 6: Final answer
    x = 353,406,660.19

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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.