Home / 1,002,173,911.56-1,501,482,311.44-418,623,940.53

Finding the Fourth Proportional to 1,002,173,911.56, 1,501,482,311.44 and 418,623,940.53

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Solution

The fourth proportional to 1,002,173,911.56, 1,501,482,311.44 and 418,623,940.53 is: 627,192,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,173,911.56 : 1,501,482,311.44 = 418,623,940.53 : x
  2. Step 2: Convert to fraction form
    1,002,173,911.56/1,501,482,311.44 = 418,623,940.53/x
  3. Step 3: Cross multiply
    1,002,173,911.56x = 1,501,482,311.44 × 418,623,940.53
  4. Step 4: Simplify right side
    1,002,173,911.56x = 628,556,441,851,105,536
  5. Step 5: Solve for x
    x = 628,556,441,851,105,536/1,002,173,911.56
  6. Step 6: Final answer
    x = 627,192,979.78

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Double scale
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1.5x scale

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.