Home / 2,155,955,405.60-3,233,933,108.40-929,123,857.10

Finding the Fourth Proportional to 2,155,955,405.60, 3,233,933,108.40 and 929,123,857.10

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Solution

The fourth proportional to 2,155,955,405.60, 3,233,933,108.40 and 929,123,857.10 is: 1,393,685,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,955,405.60 : 3,233,933,108.40 = 929,123,857.10 : x
  2. Step 2: Convert to fraction form
    2,155,955,405.60/3,233,933,108.40 = 929,123,857.10/x
  3. Step 3: Cross multiply
    2,155,955,405.60x = 3,233,933,108.40 × 929,123,857.10
  4. Step 4: Simplify right side
    2,155,955,405.60x = 3,004,724,403,280,000,512
  5. Step 5: Solve for x
    x = 3,004,724,403,280,000,512/2,155,955,405.60
  6. Step 6: Final answer
    x = 1,393,685,785.65

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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.