Home / 1,988,103,044,473.30-2,982,136,580,078.40-628,259,980,106.20

Finding the Fourth Proportional to 1,988,103,044,473.30, 2,982,136,580,078.40 and 628,259,980,106.20

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Solution

The fourth proportional to 1,988,103,044,473.30, 2,982,136,580,078.40 and 628,259,980,106.20 is: 942,384,286,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,103,044,473.30 : 2,982,136,580,078.40 = 628,259,980,106.20 : x
  2. Step 2: Convert to fraction form
    1,988,103,044,473.30/2,982,136,580,078.40 = 628,259,980,106.20/x
  3. Step 3: Cross multiply
    1,988,103,044,473.30x = 2,982,136,580,078.40 × 628,259,980,106.20
  4. Step 4: Simplify right side
    1,988,103,044,473.30x = 1,873,557,068,474,026,783,932,416
  5. Step 5: Solve for x
    x = 1,873,557,068,474,026,783,932,416/1,988,103,044,473.30
  6. Step 6: Final answer
    x = 942,384,286,208.05

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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.