Home / 871,321,080.60-1,307,367,579.24-456,699,364.92

Finding the Fourth Proportional to 871,321,080.60, 1,307,367,579.24 and 456,699,364.92

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Solution

The fourth proportional to 871,321,080.60, 1,307,367,579.24 and 456,699,364.92 is: 685,251,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,321,080.60 : 1,307,367,579.24 = 456,699,364.92 : x
  2. Step 2: Convert to fraction form
    871,321,080.60/1,307,367,579.24 = 456,699,364.92/x
  3. Step 3: Cross multiply
    871,321,080.60x = 1,307,367,579.24 × 456,699,364.92
  4. Step 4: Simplify right side
    871,321,080.60x = 597,073,943,155,905,792
  5. Step 5: Solve for x
    x = 597,073,943,155,905,792/871,321,080.60
  6. Step 6: Final answer
    x = 685,251,345.86

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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.