Home / 424,546,860,089.38-636,909,739,948.90-137,682,548,549.89

Finding the Fourth Proportional to 424,546,860,089.38, 636,909,739,948.90 and 137,682,548,549.89

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Solution

The fourth proportional to 424,546,860,089.38, 636,909,739,948.90 and 137,682,548,549.89 is: 206,552,831,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,546,860,089.38 : 636,909,739,948.90 = 137,682,548,549.89 : x
  2. Step 2: Convert to fraction form
    424,546,860,089.38/636,909,739,948.90 = 137,682,548,549.89/x
  3. Step 3: Cross multiply
    424,546,860,089.38x = 636,909,739,948.90 × 137,682,548,549.89
  4. Step 4: Simplify right side
    424,546,860,089.38x = 87,691,356,192,412,247,523,328
  5. Step 5: Solve for x
    x = 87,691,356,192,412,247,523,328/424,546,860,089.38
  6. Step 6: Final answer
    x = 206,552,831,821.56

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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.