Home / 3,978,152,540.11-5,966,210,989.92-1,179,466,652.79

Finding the Fourth Proportional to 3,978,152,540.11, 5,966,210,989.92 and 1,179,466,652.79

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Solution

The fourth proportional to 3,978,152,540.11, 5,966,210,989.92 and 1,179,466,652.79 is: 1,768,898,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,152,540.11 : 5,966,210,989.92 = 1,179,466,652.79 : x
  2. Step 2: Convert to fraction form
    3,978,152,540.11/5,966,210,989.92 = 1,179,466,652.79/x
  3. Step 3: Cross multiply
    3,978,152,540.11x = 5,966,210,989.92 × 1,179,466,652.79
  4. Step 4: Simplify right side
    3,978,152,540.11x = 7,036,946,906,119,855,104
  5. Step 5: Solve for x
    x = 7,036,946,906,119,855,104/3,978,152,540.11
  6. Step 6: Final answer
    x = 1,768,898,209.70

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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.