Home / 2,158,408,712.61-3,237,921,910.94-664,566,652.53

Finding the Fourth Proportional to 2,158,408,712.61, 3,237,921,910.94 and 664,566,652.53

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Solution

The fourth proportional to 2,158,408,712.61, 3,237,921,910.94 and 664,566,652.53 is: 996,945,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,408,712.61 : 3,237,921,910.94 = 664,566,652.53 : x
  2. Step 2: Convert to fraction form
    2,158,408,712.61/3,237,921,910.94 = 664,566,652.53/x
  3. Step 3: Cross multiply
    2,158,408,712.61x = 3,237,921,910.94 × 664,566,652.53
  4. Step 4: Simplify right side
    2,158,408,712.61x = 2,151,814,925,503,613,696
  5. Step 5: Solve for x
    x = 2,151,814,925,503,613,696/2,158,408,712.61
  6. Step 6: Final answer
    x = 996,945,070.20

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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.