Home / 713,363,442,420.56-984,441,711,232.68-392,579,277,529.04

Finding the Fourth Proportional to 713,363,442,420.56, 984,441,711,232.68 and 392,579,277,529.04

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Solution

The fourth proportional to 713,363,442,420.56, 984,441,711,232.68 and 392,579,277,529.04 is: 541,759,491,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,363,442,420.56 : 984,441,711,232.68 = 392,579,277,529.04 : x
  2. Step 2: Convert to fraction form
    713,363,442,420.56/984,441,711,232.68 = 392,579,277,529.04/x
  3. Step 3: Cross multiply
    713,363,442,420.56x = 984,441,711,232.68 × 392,579,277,529.04
  4. Step 4: Simplify right side
    713,363,442,420.56x = 386,471,415,765,177,347,342,336
  5. Step 5: Solve for x
    x = 386,471,415,765,177,347,342,336/713,363,442,420.56
  6. Step 6: Final answer
    x = 541,759,491,422.52

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Double scale
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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.