Home / 553,318,338,635.52-829,995,880,763.52-190,280,442,439.68

Finding the Fourth Proportional to 553,318,338,635.52, 829,995,880,763.52 and 190,280,442,439.68

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Solution

The fourth proportional to 553,318,338,635.52, 829,995,880,763.52 and 190,280,442,439.68 is: 285,426,981,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,318,338,635.52 : 829,995,880,763.52 = 190,280,442,439.68 : x
  2. Step 2: Convert to fraction form
    553,318,338,635.52/829,995,880,763.52 = 190,280,442,439.68/x
  3. Step 3: Cross multiply
    553,318,338,635.52x = 829,995,880,763.52 × 190,280,442,439.68
  4. Step 4: Simplify right side
    553,318,338,635.52x = 157,931,983,414,794,469,244,928
  5. Step 5: Solve for x
    x = 157,931,983,414,794,469,244,928/553,318,338,635.52
  6. Step 6: Final answer
    x = 285,426,981,878.56

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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.