Home / 8,378,805,729.18-12,569,499,995.43-2,856,772,359.30

Finding the Fourth Proportional to 8,378,805,729.18, 12,569,499,995.43 and 2,856,772,359.30

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Solution

The fourth proportional to 8,378,805,729.18, 12,569,499,995.43 and 2,856,772,359.30 is: 4,285,598,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,729.18 : 12,569,499,995.43 = 2,856,772,359.30 : x
  2. Step 2: Convert to fraction form
    8,378,805,729.18/12,569,499,995.43 = 2,856,772,359.30/x
  3. Step 3: Cross multiply
    8,378,805,729.18x = 12,569,499,995.43 × 2,856,772,359.30
  4. Step 4: Simplify right side
    8,378,805,729.18x = 35,908,200,157,165,903,872
  5. Step 5: Solve for x
    x = 35,908,200,157,165,903,872/8,378,805,729.18
  6. Step 6: Final answer
    x = 4,285,598,845.20

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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.