Home / 358,888,462.40-538,332,693.60-195,629,787.20

Finding the Fourth Proportional to 358,888,462.40, 538,332,693.60 and 195,629,787.20

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Solution

The fourth proportional to 358,888,462.40, 538,332,693.60 and 195,629,787.20 is: 293,444,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,888,462.40 : 538,332,693.60 = 195,629,787.20 : x
  2. Step 2: Convert to fraction form
    358,888,462.40/538,332,693.60 = 195,629,787.20/x
  3. Step 3: Cross multiply
    358,888,462.40x = 538,332,693.60 × 195,629,787.20
  4. Step 4: Simplify right side
    358,888,462.40x = 105,313,910,291,770,800
  5. Step 5: Solve for x
    x = 105,313,910,291,770,800/358,888,462.40
  6. Step 6: Final answer
    x = 293,444,680.80

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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.