Home / 787,268,156.76-1,180,934,508.78-270,054,288.36

Finding the Fourth Proportional to 787,268,156.76, 1,180,934,508.78 and 270,054,288.36

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Solution

The fourth proportional to 787,268,156.76, 1,180,934,508.78 and 270,054,288.36 is: 405,092,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,268,156.76 : 1,180,934,508.78 = 270,054,288.36 : x
  2. Step 2: Convert to fraction form
    787,268,156.76/1,180,934,508.78 = 270,054,288.36/x
  3. Step 3: Cross multiply
    787,268,156.76x = 1,180,934,508.78 × 270,054,288.36
  4. Step 4: Simplify right side
    787,268,156.76x = 318,916,428,368,349,056
  5. Step 5: Solve for x
    x = 318,916,428,368,349,056/787,268,156.76
  6. Step 6: Final answer
    x = 405,092,503.27

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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.