Home / 987,671,254,842.50-1,481,578,286,433.30-413,409,815,768.91

Finding the Fourth Proportional to 987,671,254,842.50, 1,481,578,286,433.30 and 413,409,815,768.91

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Solution

The fourth proportional to 987,671,254,842.50, 1,481,578,286,433.30 and 413,409,815,768.91 is: 620,144,611,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,671,254,842.50 : 1,481,578,286,433.30 = 413,409,815,768.91 : x
  2. Step 2: Convert to fraction form
    987,671,254,842.50/1,481,578,286,433.30 = 413,409,815,768.91/x
  3. Step 3: Cross multiply
    987,671,254,842.50x = 1,481,578,286,433.30 × 413,409,815,768.91
  4. Step 4: Simplify right side
    987,671,254,842.50x = 612,499,006,441,607,948,926,976
  5. Step 5: Solve for x
    x = 612,499,006,441,607,948,926,976/987,671,254,842.50
  6. Step 6: Final answer
    x = 620,144,611,315.31

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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.