Home / 667,825,191,045.40-921,548,186,465.35-374,793,519,936.86

Finding the Fourth Proportional to 667,825,191,045.40, 921,548,186,465.35 and 374,793,519,936.86

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Solution

The fourth proportional to 667,825,191,045.40, 921,548,186,465.35 and 374,793,519,936.86 is: 517,186,672,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,825,191,045.40 : 921,548,186,465.35 = 374,793,519,936.86 : x
  2. Step 2: Convert to fraction form
    667,825,191,045.40/921,548,186,465.35 = 374,793,519,936.86/x
  3. Step 3: Cross multiply
    667,825,191,045.40x = 921,548,186,465.35 × 374,793,519,936.86
  4. Step 4: Simplify right side
    667,825,191,045.40x = 345,390,288,596,778,335,862,784
  5. Step 5: Solve for x
    x = 345,390,288,596,778,335,862,784/667,825,191,045.40
  6. Step 6: Final answer
    x = 517,186,672,841.90

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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.