Home / 1,414,543,747.17-2,122,133,702.90-431,888,080.53

Finding the Fourth Proportional to 1,414,543,747.17, 2,122,133,702.90 and 431,888,080.53

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Solution

The fourth proportional to 1,414,543,747.17, 2,122,133,702.90 and 431,888,080.53 is: 647,929,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,543,747.17 : 2,122,133,702.90 = 431,888,080.53 : x
  2. Step 2: Convert to fraction form
    1,414,543,747.17/2,122,133,702.90 = 431,888,080.53/x
  3. Step 3: Cross multiply
    1,414,543,747.17x = 2,122,133,702.90 × 431,888,080.53
  4. Step 4: Simplify right side
    1,414,543,747.17x = 916,524,251,571,342,848
  5. Step 5: Solve for x
    x = 916,524,251,571,342,848/1,414,543,747.17
  6. Step 6: Final answer
    x = 647,929,237.54

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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.