Home / 8,378,805,681.17-12,569,499,923.37-2,856,772,311.29

Finding the Fourth Proportional to 8,378,805,681.17, 12,569,499,923.37 and 2,856,772,311.29

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Solution

The fourth proportional to 8,378,805,681.17, 12,569,499,923.37 and 2,856,772,311.29 is: 4,285,598,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,681.17 : 12,569,499,923.37 = 2,856,772,311.29 : x
  2. Step 2: Convert to fraction form
    8,378,805,681.17/12,569,499,923.37 = 2,856,772,311.29/x
  3. Step 3: Cross multiply
    8,378,805,681.17x = 12,569,499,923.37 × 2,856,772,311.29
  4. Step 4: Simplify right side
    8,378,805,681.17x = 35,908,199,347,782,344,704
  5. Step 5: Solve for x
    x = 35,908,199,347,782,344,704/8,378,805,681.17
  6. Step 6: Final answer
    x = 4,285,598,773.16

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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.