Home / 13,268,782,772.19-19,905,969,442.99-4,304,272,061.94

Finding the Fourth Proportional to 13,268,782,772.19, 19,905,969,442.99 and 4,304,272,061.94

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Solution

The fourth proportional to 13,268,782,772.19, 19,905,969,442.99 and 4,304,272,061.94 is: 6,457,314,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,782,772.19 : 19,905,969,442.99 = 4,304,272,061.94 : x
  2. Step 2: Convert to fraction form
    13,268,782,772.19/19,905,969,442.99 = 4,304,272,061.94/x
  3. Step 3: Cross multiply
    13,268,782,772.19x = 19,905,969,442.99 × 4,304,272,061.94
  4. Step 4: Simplify right side
    13,268,782,772.19x = 85,680,708,139,311,497,216
  5. Step 5: Solve for x
    x = 85,680,708,139,311,497,216/13,268,782,772.19
  6. Step 6: Final answer
    x = 6,457,314,857.76

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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.