Home / 453,945,631.20-680,918,446.80-310,618,399.20

Finding the Fourth Proportional to 453,945,631.20, 680,918,446.80 and 310,618,399.20

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Solution

The fourth proportional to 453,945,631.20, 680,918,446.80 and 310,618,399.20 is: 465,927,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,945,631.20 : 680,918,446.80 = 310,618,399.20 : x
  2. Step 2: Convert to fraction form
    453,945,631.20/680,918,446.80 = 310,618,399.20/x
  3. Step 3: Cross multiply
    453,945,631.20x = 680,918,446.80 × 310,618,399.20
  4. Step 4: Simplify right side
    453,945,631.20x = 211,505,797,930,766,336
  5. Step 5: Solve for x
    x = 211,505,797,930,766,336/453,945,631.20
  6. Step 6: Final answer
    x = 465,927,598.80

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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.