Home / 857,727,845.76-1,287,135,945.24-366,444,816.76

Finding the Fourth Proportional to 857,727,845.76, 1,287,135,945.24 and 366,444,816.76

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Solution

The fourth proportional to 857,727,845.76, 1,287,135,945.24 and 366,444,816.76 is: 549,899,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,727,845.76 : 1,287,135,945.24 = 366,444,816.76 : x
  2. Step 2: Convert to fraction form
    857,727,845.76/1,287,135,945.24 = 366,444,816.76/x
  3. Step 3: Cross multiply
    857,727,845.76x = 1,287,135,945.24 × 366,444,816.76
  4. Step 4: Simplify right side
    857,727,845.76x = 471,664,295,598,681,216
  5. Step 5: Solve for x
    x = 471,664,295,598,681,216/857,727,845.76
  6. Step 6: Final answer
    x = 549,899,712.28

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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.