Home / 1,422,317,602,144.80-1,962,745,732,649-771,982,222,885.40

Finding the Fourth Proportional to 1,422,317,602,144.80, 1,962,745,732,649 and 771,982,222,885.40

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Solution

The fourth proportional to 1,422,317,602,144.80, 1,962,745,732,649 and 771,982,222,885.40 is: 1,065,306,940,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,317,602,144.80 : 1,962,745,732,649 = 771,982,222,885.40 : x
  2. Step 2: Convert to fraction form
    1,422,317,602,144.80/1,962,745,732,649 = 771,982,222,885.40/x
  3. Step 3: Cross multiply
    1,422,317,602,144.80x = 1,962,745,732,649 × 771,982,222,885.40
  4. Step 4: Simplify right side
    1,422,317,602,144.80x = 1,515,204,813,649,208,013,750,272
  5. Step 5: Solve for x
    x = 1,515,204,813,649,208,013,750,272/1,422,317,602,144.80
  6. Step 6: Final answer
    x = 1,065,306,940,843.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.