Home / 386,044,561,394.84-579,150,611,948.05-117,426,560,145.88

Finding the Fourth Proportional to 386,044,561,394.84, 579,150,611,948.05 and 117,426,560,145.88

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Solution

The fourth proportional to 386,044,561,394.84, 579,150,611,948.05 and 117,426,560,145.88 is: 176,165,321,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,044,561,394.84 : 579,150,611,948.05 = 117,426,560,145.88 : x
  2. Step 2: Convert to fraction form
    386,044,561,394.84/579,150,611,948.05 = 117,426,560,145.88/x
  3. Step 3: Cross multiply
    386,044,561,394.84x = 579,150,611,948.05 × 117,426,560,145.88
  4. Step 4: Simplify right side
    386,044,561,394.84x = 68,007,664,167,440,909,074,432
  5. Step 5: Solve for x
    x = 68,007,664,167,440,909,074,432/386,044,561,394.84
  6. Step 6: Final answer
    x = 176,165,321,230.58

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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.