Home / 497,311,619.40-745,967,429.10-388,472,502.60

Finding the Fourth Proportional to 497,311,619.40, 745,967,429.10 and 388,472,502.60

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Solution

The fourth proportional to 497,311,619.40, 745,967,429.10 and 388,472,502.60 is: 582,708,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,311,619.40 : 745,967,429.10 = 388,472,502.60 : x
  2. Step 2: Convert to fraction form
    497,311,619.40/745,967,429.10 = 388,472,502.60/x
  3. Step 3: Cross multiply
    497,311,619.40x = 745,967,429.10 × 388,472,502.60
  4. Step 4: Simplify right side
    497,311,619.40x = 289,787,834,040,565,120
  5. Step 5: Solve for x
    x = 289,787,834,040,565,120/497,311,619.40
  6. Step 6: Final answer
    x = 582,708,753.90

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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.