Home / 1,013,182,578,811.70-1,520,031,111,118.20-469,023,382,642.55

Finding the Fourth Proportional to 1,013,182,578,811.70, 1,520,031,111,118.20 and 469,023,382,642.55

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Solution

The fourth proportional to 1,013,182,578,811.70, 1,520,031,111,118.20 and 469,023,382,642.55 is: 703,654,157,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,182,578,811.70 : 1,520,031,111,118.20 = 469,023,382,642.55 : x
  2. Step 2: Convert to fraction form
    1,013,182,578,811.70/1,520,031,111,118.20 = 469,023,382,642.55/x
  3. Step 3: Cross multiply
    1,013,182,578,811.70x = 1,520,031,111,118.20 × 469,023,382,642.55
  4. Step 4: Simplify right side
    1,013,182,578,811.70x = 712,930,133,458,571,889,737,728
  5. Step 5: Solve for x
    x = 712,930,133,458,571,889,737,728/1,013,182,578,811.70
  6. Step 6: Final answer
    x = 703,654,157,076.73

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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.