Home / 639,002,898,474.90-958,504,347,712.35-453,250,805,802.90

Finding the Fourth Proportional to 639,002,898,474.90, 958,504,347,712.35 and 453,250,805,802.90

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Solution

The fourth proportional to 639,002,898,474.90, 958,504,347,712.35 and 453,250,805,802.90 is: 679,876,208,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,002,898,474.90 : 958,504,347,712.35 = 453,250,805,802.90 : x
  2. Step 2: Convert to fraction form
    639,002,898,474.90/958,504,347,712.35 = 453,250,805,802.90/x
  3. Step 3: Cross multiply
    639,002,898,474.90x = 958,504,347,712.35 × 453,250,805,802.90
  4. Step 4: Simplify right side
    639,002,898,474.90x = 434,442,867,966,205,671,505,920
  5. Step 5: Solve for x
    x = 434,442,867,966,205,671,505,920/639,002,898,474.90
  6. Step 6: Final answer
    x = 679,876,208,704.35

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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.