Home / 8,378,805,799.28-12,569,500,100.56-2,856,772,429.44

Finding the Fourth Proportional to 8,378,805,799.28, 12,569,500,100.56 and 2,856,772,429.44

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Solution

The fourth proportional to 8,378,805,799.28, 12,569,500,100.56 and 2,856,772,429.44 is: 4,285,598,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,799.28 : 12,569,500,100.56 = 2,856,772,429.44 : x
  2. Step 2: Convert to fraction form
    8,378,805,799.28/12,569,500,100.56 = 2,856,772,429.44/x
  3. Step 3: Cross multiply
    8,378,805,799.28x = 12,569,500,100.56 × 2,856,772,429.44
  4. Step 4: Simplify right side
    8,378,805,799.28x = 35,908,201,339,123,113,984
  5. Step 5: Solve for x
    x = 35,908,201,339,123,113,984/8,378,805,799.28
  6. Step 6: Final answer
    x = 4,285,598,950.41

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1.5x scale

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.