Home / 871,321,268.70-1,307,367,860.76-456,699,552.48

Finding the Fourth Proportional to 871,321,268.70, 1,307,367,860.76 and 456,699,552.48

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Solution

The fourth proportional to 871,321,268.70, 1,307,367,860.76 and 456,699,552.48 is: 685,251,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,321,268.70 : 1,307,367,860.76 = 456,699,552.48 : x
  2. Step 2: Convert to fraction form
    871,321,268.70/1,307,367,860.76 = 456,699,552.48/x
  3. Step 3: Cross multiply
    871,321,268.70x = 1,307,367,860.76 × 456,699,552.48
  4. Step 4: Simplify right side
    871,321,268.70x = 597,074,316,935,826,944
  5. Step 5: Solve for x
    x = 597,074,316,935,826,944/871,321,268.70
  6. Step 6: Final answer
    x = 685,251,626.91

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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.