Home / 13,268,782,772.12-19,905,969,442.88-4,304,272,061.87

Finding the Fourth Proportional to 13,268,782,772.12, 19,905,969,442.88 and 4,304,272,061.87

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Solution

The fourth proportional to 13,268,782,772.12, 19,905,969,442.88 and 4,304,272,061.87 is: 6,457,314,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,782,772.12 : 19,905,969,442.88 = 4,304,272,061.87 : x
  2. Step 2: Convert to fraction form
    13,268,782,772.12/19,905,969,442.88 = 4,304,272,061.87/x
  3. Step 3: Cross multiply
    13,268,782,772.12x = 19,905,969,442.88 × 4,304,272,061.87
  4. Step 4: Simplify right side
    13,268,782,772.12x = 85,680,708,137,456,173,056
  5. Step 5: Solve for x
    x = 85,680,708,137,456,173,056/13,268,782,772.12
  6. Step 6: Final answer
    x = 6,457,314,857.66

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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.