Home / 1,327,823,862.27-1,991,599,303.71-442,413,590.76

Finding the Fourth Proportional to 1,327,823,862.27, 1,991,599,303.71 and 442,413,590.76

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Solution

The fourth proportional to 1,327,823,862.27, 1,991,599,303.71 and 442,413,590.76 is: 663,574,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,823,862.27 : 1,991,599,303.71 = 442,413,590.76 : x
  2. Step 2: Convert to fraction form
    1,327,823,862.27/1,991,599,303.71 = 442,413,590.76/x
  3. Step 3: Cross multiply
    1,327,823,862.27x = 1,991,599,303.71 × 442,413,590.76
  4. Step 4: Simplify right side
    1,327,823,862.27x = 881,110,599,309,456,896
  5. Step 5: Solve for x
    x = 881,110,599,309,456,896/1,327,823,862.27
  6. Step 6: Final answer
    x = 663,574,909.55

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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.