Home / 2,155,955,405.10-3,233,933,107.65-929,123,856.60

Finding the Fourth Proportional to 2,155,955,405.10, 3,233,933,107.65 and 929,123,856.60

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Solution

The fourth proportional to 2,155,955,405.10, 3,233,933,107.65 and 929,123,856.60 is: 1,393,685,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,955,405.10 : 3,233,933,107.65 = 929,123,856.60 : x
  2. Step 2: Convert to fraction form
    2,155,955,405.10/3,233,933,107.65 = 929,123,856.60/x
  3. Step 3: Cross multiply
    2,155,955,405.10x = 3,233,933,107.65 × 929,123,856.60
  4. Step 4: Simplify right side
    2,155,955,405.10x = 3,004,724,400,966,191,104
  5. Step 5: Solve for x
    x = 3,004,724,400,966,191,104/2,155,955,405.10
  6. Step 6: Final answer
    x = 1,393,685,784.90

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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.