Home / 1,988,103,044,472.30-2,982,136,580,076.90-628,259,980,105.20

Finding the Fourth Proportional to 1,988,103,044,472.30, 2,982,136,580,076.90 and 628,259,980,105.20

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Solution

The fourth proportional to 1,988,103,044,472.30, 2,982,136,580,076.90 and 628,259,980,105.20 is: 942,384,286,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,103,044,472.30 : 2,982,136,580,076.90 = 628,259,980,105.20 : x
  2. Step 2: Convert to fraction form
    1,988,103,044,472.30/2,982,136,580,076.90 = 628,259,980,105.20/x
  3. Step 3: Cross multiply
    1,988,103,044,472.30x = 2,982,136,580,076.90 × 628,259,980,105.20
  4. Step 4: Simplify right side
    1,988,103,044,472.30x = 1,873,557,068,470,102,257,565,696
  5. Step 5: Solve for x
    x = 1,873,557,068,470,102,257,565,696/1,988,103,044,472.30
  6. Step 6: Final answer
    x = 942,384,286,206.55

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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.