Home / 768,890,124,052.05-1,060,970,846,942.10-421,569,006,104.95

Finding the Fourth Proportional to 768,890,124,052.05, 1,060,970,846,942.10 and 421,569,006,104.95

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Solution

The fourth proportional to 768,890,124,052.05, 1,060,970,846,942.10 and 421,569,006,104.95 is: 581,711,757,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,890,124,052.05 : 1,060,970,846,942.10 = 421,569,006,104.95 : x
  2. Step 2: Convert to fraction form
    768,890,124,052.05/1,060,970,846,942.10 = 421,569,006,104.95/x
  3. Step 3: Cross multiply
    768,890,124,052.05x = 1,060,970,846,942.10 × 421,569,006,104.95
  4. Step 4: Simplify right side
    768,890,124,052.05x = 447,272,425,451,708,133,408,768
  5. Step 5: Solve for x
    x = 447,272,425,451,708,133,408,768/768,890,124,052.05
  6. Step 6: Final answer
    x = 581,711,757,584.53

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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.