Home / 649,542,575.90-974,313,863.85-305,168,807.90

Finding the Fourth Proportional to 649,542,575.90, 974,313,863.85 and 305,168,807.90

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Solution

The fourth proportional to 649,542,575.90, 974,313,863.85 and 305,168,807.90 is: 457,753,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,542,575.90 : 974,313,863.85 = 305,168,807.90 : x
  2. Step 2: Convert to fraction form
    649,542,575.90/974,313,863.85 = 305,168,807.90/x
  3. Step 3: Cross multiply
    649,542,575.90x = 974,313,863.85 × 305,168,807.90
  4. Step 4: Simplify right side
    649,542,575.90x = 297,330,200,351,547,392
  5. Step 5: Solve for x
    x = 297,330,200,351,547,392/649,542,575.90
  6. Step 6: Final answer
    x = 457,753,211.85

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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.