Home / 460,274,620.45-690,407,206.76-266,062,459.45

Finding the Fourth Proportional to 460,274,620.45, 690,407,206.76 and 266,062,459.45

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Solution

The fourth proportional to 460,274,620.45, 690,407,206.76 and 266,062,459.45 is: 399,090,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,274,620.45 : 690,407,206.76 = 266,062,459.45 : x
  2. Step 2: Convert to fraction form
    460,274,620.45/690,407,206.76 = 266,062,459.45/x
  3. Step 3: Cross multiply
    460,274,620.45x = 690,407,206.76 × 266,062,459.45
  4. Step 4: Simplify right side
    460,274,620.45x = 183,691,439,451,239,936
  5. Step 5: Solve for x
    x = 183,691,439,451,239,936/460,274,620.45
  6. Step 6: Final answer
    x = 399,090,958.51

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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.