Home / 388,610,624.96-582,322,780-230,732,745.87

Finding the Fourth Proportional to 388,610,624.96, 582,322,780 and 230,732,745.87

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Solution

The fourth proportional to 388,610,624.96, 582,322,780 and 230,732,745.87 is: 345,746,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,610,624.96 : 582,322,780 = 230,732,745.87 : x
  2. Step 2: Convert to fraction form
    388,610,624.96/582,322,780 = 230,732,745.87/x
  3. Step 3: Cross multiply
    388,610,624.96x = 582,322,780 × 230,732,745.87
  4. Step 4: Simplify right side
    388,610,624.96x = 134,360,934,012,051,920
  5. Step 5: Solve for x
    x = 134,360,934,012,051,920/388,610,624.96
  6. Step 6: Final answer
    x = 345,746,938.92

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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.