Home / 9,115,905,818.25-13,689,507,021.44-5,595,320,491.74

Finding the Fourth Proportional to 9,115,905,818.25, 13,689,507,021.44 and 5,595,320,491.74

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Solution

The fourth proportional to 9,115,905,818.25, 13,689,507,021.44 and 5,595,320,491.74 is: 8,402,585,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,905,818.25 : 13,689,507,021.44 = 5,595,320,491.74 : x
  2. Step 2: Convert to fraction form
    9,115,905,818.25/13,689,507,021.44 = 5,595,320,491.74/x
  3. Step 3: Cross multiply
    9,115,905,818.25x = 13,689,507,021.44 × 5,595,320,491.74
  4. Step 4: Simplify right side
    9,115,905,818.25x = 76,597,179,158,853,861,376
  5. Step 5: Solve for x
    x = 76,597,179,158,853,861,376/9,115,905,818.25
  6. Step 6: Final answer
    x = 8,402,585,621.88

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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.