Home / 880,138,499.40-1,320,367,181.40-442,337,403.60

Finding the Fourth Proportional to 880,138,499.40, 1,320,367,181.40 and 442,337,403.60

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Solution

The fourth proportional to 880,138,499.40, 1,320,367,181.40 and 442,337,403.60 is: 663,586,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,138,499.40 : 1,320,367,181.40 = 442,337,403.60 : x
  2. Step 2: Convert to fraction form
    880,138,499.40/1,320,367,181.40 = 442,337,403.60/x
  3. Step 3: Cross multiply
    880,138,499.40x = 1,320,367,181.40 × 442,337,403.60
  4. Step 4: Simplify right side
    880,138,499.40x = 584,047,790,819,126,272
  5. Step 5: Solve for x
    x = 584,047,790,819,126,272/880,138,499.40
  6. Step 6: Final answer
    x = 663,586,232.41

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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.