Home / 4,386,261,177.28-6,578,744,587.52-1,280,009,789.76

Finding the Fourth Proportional to 4,386,261,177.28, 6,578,744,587.52 and 1,280,009,789.76

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Solution

The fourth proportional to 4,386,261,177.28, 6,578,744,587.52 and 1,280,009,789.76 is: 1,919,825,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,261,177.28 : 6,578,744,587.52 = 1,280,009,789.76 : x
  2. Step 2: Convert to fraction form
    4,386,261,177.28/6,578,744,587.52 = 1,280,009,789.76/x
  3. Step 3: Cross multiply
    4,386,261,177.28x = 6,578,744,587.52 × 1,280,009,789.76
  4. Step 4: Simplify right side
    4,386,261,177.28x = 8,420,857,476,356,213,760
  5. Step 5: Solve for x
    x = 8,420,857,476,356,213,760/4,386,261,177.28
  6. Step 6: Final answer
    x = 1,919,825,823.41

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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.