Home / 649,606,847.87-974,021,141.94-206,758,240.52

Finding the Fourth Proportional to 649,606,847.87, 974,021,141.94 and 206,758,240.52

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Solution

The fourth proportional to 649,606,847.87, 974,021,141.94 and 206,758,240.52 is: 310,013,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,606,847.87 : 974,021,141.94 = 206,758,240.52 : x
  2. Step 2: Convert to fraction form
    649,606,847.87/974,021,141.94 = 206,758,240.52/x
  3. Step 3: Cross multiply
    649,606,847.87x = 974,021,141.94 × 206,758,240.52
  4. Step 4: Simplify right side
    649,606,847.87x = 201,386,897,531,150,112
  5. Step 5: Solve for x
    x = 201,386,897,531,150,112/649,606,847.87
  6. Step 6: Final answer
    x = 310,013,507.69

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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.