Home / 667,825,191,045.50-921,548,186,465.50-374,793,519,936.97

Finding the Fourth Proportional to 667,825,191,045.50, 921,548,186,465.50 and 374,793,519,936.97

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Solution

The fourth proportional to 667,825,191,045.50, 921,548,186,465.50 and 374,793,519,936.97 is: 517,186,672,842.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,825,191,045.50 : 921,548,186,465.50 = 374,793,519,936.97 : x
  2. Step 2: Convert to fraction form
    667,825,191,045.50/921,548,186,465.50 = 374,793,519,936.97/x
  3. Step 3: Cross multiply
    667,825,191,045.50x = 921,548,186,465.50 × 374,793,519,936.97
  4. Step 4: Simplify right side
    667,825,191,045.50x = 345,390,288,596,935,907,475,456
  5. Step 5: Solve for x
    x = 345,390,288,596,935,907,475,456/667,825,191,045.50
  6. Step 6: Final answer
    x = 517,186,672,842.06

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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.