Home / 1,639,132,406.27-2,262,009,535.78-886,445,581.73

Finding the Fourth Proportional to 1,639,132,406.27, 2,262,009,535.78 and 886,445,581.73

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Solution

The fourth proportional to 1,639,132,406.27, 2,262,009,535.78 and 886,445,581.73 is: 1,223,298,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,132,406.27 : 2,262,009,535.78 = 886,445,581.73 : x
  2. Step 2: Convert to fraction form
    1,639,132,406.27/2,262,009,535.78 = 886,445,581.73/x
  3. Step 3: Cross multiply
    1,639,132,406.27x = 2,262,009,535.78 × 886,445,581.73
  4. Step 4: Simplify right side
    1,639,132,406.27x = 2,005,148,358,812,197,376
  5. Step 5: Solve for x
    x = 2,005,148,358,812,197,376/1,639,132,406.27
  6. Step 6: Final answer
    x = 1,223,298,588.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.