Home / 667,825,191,062.30-921,548,186,488.70-374,793,519,953.75

Finding the Fourth Proportional to 667,825,191,062.30, 921,548,186,488.70 and 374,793,519,953.75

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Solution

The fourth proportional to 667,825,191,062.30, 921,548,186,488.70 and 374,793,519,953.75 is: 517,186,672,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,825,191,062.30 : 921,548,186,488.70 = 374,793,519,953.75 : x
  2. Step 2: Convert to fraction form
    667,825,191,062.30/921,548,186,488.70 = 374,793,519,953.75/x
  3. Step 3: Cross multiply
    667,825,191,062.30x = 921,548,186,488.70 × 374,793,519,953.75
  4. Step 4: Simplify right side
    667,825,191,062.30x = 345,390,288,621,094,695,862,272
  5. Step 5: Solve for x
    x = 345,390,288,621,094,695,862,272/667,825,191,062.30
  6. Step 6: Final answer
    x = 517,186,672,865.23

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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.