Home / 20,155,408,916.20-30,233,113,374.30-17,788,158,125.80

Finding the Fourth Proportional to 20,155,408,916.20, 30,233,113,374.30 and 17,788,158,125.80

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Solution

The fourth proportional to 20,155,408,916.20, 30,233,113,374.30 and 17,788,158,125.80 is: 26,682,237,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,408,916.20 : 30,233,113,374.30 = 17,788,158,125.80 : x
  2. Step 2: Convert to fraction form
    20,155,408,916.20/30,233,113,374.30 = 17,788,158,125.80/x
  3. Step 3: Cross multiply
    20,155,408,916.20x = 30,233,113,374.30 × 17,788,158,125.80
  4. Step 4: Simplify right side
    20,155,408,916.20x = 537,791,401,337,287,147,520
  5. Step 5: Solve for x
    x = 537,791,401,337,287,147,520/20,155,408,916.20
  6. Step 6: Final answer
    x = 26,682,237,188.70

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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.