Home / 649,606,844.28-974,021,136.58-206,758,236.88

Finding the Fourth Proportional to 649,606,844.28, 974,021,136.58 and 206,758,236.88

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Solution

The fourth proportional to 649,606,844.28, 974,021,136.58 and 206,758,236.88 is: 310,013,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,606,844.28 : 974,021,136.58 = 206,758,236.88 : x
  2. Step 2: Convert to fraction form
    649,606,844.28/974,021,136.58 = 206,758,236.88/x
  3. Step 3: Cross multiply
    649,606,844.28x = 974,021,136.58 × 206,758,236.88
  4. Step 4: Simplify right side
    649,606,844.28x = 201,386,892,883,134,464
  5. Step 5: Solve for x
    x = 201,386,892,883,134,464/649,606,844.28
  6. Step 6: Final answer
    x = 310,013,502.25

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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.