Home / 8,378,805,787.71-12,569,500,083.21-2,856,772,417.83

Finding the Fourth Proportional to 8,378,805,787.71, 12,569,500,083.21 and 2,856,772,417.83

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Solution

The fourth proportional to 8,378,805,787.71, 12,569,500,083.21 and 2,856,772,417.83 is: 4,285,598,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,787.71 : 12,569,500,083.21 = 2,856,772,417.83 : x
  2. Step 2: Convert to fraction form
    8,378,805,787.71/12,569,500,083.21 = 2,856,772,417.83/x
  3. Step 3: Cross multiply
    8,378,805,787.71x = 12,569,500,083.21 × 2,856,772,417.83
  4. Step 4: Simplify right side
    8,378,805,787.71x = 35,908,201,143,626,215,424
  5. Step 5: Solve for x
    x = 35,908,201,143,626,215,424/8,378,805,787.71
  6. Step 6: Final answer
    x = 4,285,598,933.00

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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.