Home / 511,302,568.86-766,842,527.30-137,801,737.55

Finding the Fourth Proportional to 511,302,568.86, 766,842,527.30 and 137,801,737.55

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Solution

The fourth proportional to 511,302,568.86, 766,842,527.30 and 137,801,737.55 is: 206,672,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,302,568.86 : 766,842,527.30 = 137,801,737.55 : x
  2. Step 2: Convert to fraction form
    511,302,568.86/766,842,527.30 = 137,801,737.55/x
  3. Step 3: Cross multiply
    511,302,568.86x = 766,842,527.30 × 137,801,737.55
  4. Step 4: Simplify right side
    511,302,568.86x = 105,672,232,690,401,408
  5. Step 5: Solve for x
    x = 105,672,232,690,401,408/511,302,568.86
  6. Step 6: Final answer
    x = 206,672,602.73

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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.