Home / 20,155,408,920.20-30,233,113,380.30-17,788,158,129.80

Finding the Fourth Proportional to 20,155,408,920.20, 30,233,113,380.30 and 17,788,158,129.80

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Solution

The fourth proportional to 20,155,408,920.20, 30,233,113,380.30 and 17,788,158,129.80 is: 26,682,237,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,408,920.20 : 30,233,113,380.30 = 17,788,158,129.80 : x
  2. Step 2: Convert to fraction form
    20,155,408,920.20/30,233,113,380.30 = 17,788,158,129.80/x
  3. Step 3: Cross multiply
    20,155,408,920.20x = 30,233,113,380.30 × 17,788,158,129.80
  4. Step 4: Simplify right side
    20,155,408,920.20x = 537,791,401,564,948,594,688
  5. Step 5: Solve for x
    x = 537,791,401,564,948,594,688/20,155,408,920.20
  6. Step 6: Final answer
    x = 26,682,237,194.70

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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.