Home / 417,590,923-625,432,225.56-199,394,091.76

Finding the Fourth Proportional to 417,590,923, 625,432,225.56 and 199,394,091.76

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Solution

The fourth proportional to 417,590,923, 625,432,225.56 and 199,394,091.76 is: 298,635,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,590,923 : 625,432,225.56 = 199,394,091.76 : x
  2. Step 2: Convert to fraction form
    417,590,923/625,432,225.56 = 199,394,091.76/x
  3. Step 3: Cross multiply
    417,590,923x = 625,432,225.56 × 199,394,091.76
  4. Step 4: Simplify right side
    417,590,923x = 124,707,490,572,971,648
  5. Step 5: Solve for x
    x = 124,707,490,572,971,648/417,590,923
  6. Step 6: Final answer
    x = 298,635,539.48

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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.