Home / 392,048,468.40-587,176,907.40-230,805,332.40

Finding the Fourth Proportional to 392,048,468.40, 587,176,907.40 and 230,805,332.40

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Solution

The fourth proportional to 392,048,468.40, 587,176,907.40 and 230,805,332.40 is: 345,680,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,048,468.40 : 587,176,907.40 = 230,805,332.40 : x
  2. Step 2: Convert to fraction form
    392,048,468.40/587,176,907.40 = 230,805,332.40/x
  3. Step 3: Cross multiply
    392,048,468.40x = 587,176,907.40 × 230,805,332.40
  4. Step 4: Simplify right side
    392,048,468.40x = 135,523,561,290,061,024
  5. Step 5: Solve for x
    x = 135,523,561,290,061,024/392,048,468.40
  6. Step 6: Final answer
    x = 345,680,629.34

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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.