Home / 30,646,887,758.20-45,948,268,699.62-18,831,594,189.16

Finding the Fourth Proportional to 30,646,887,758.20, 45,948,268,699.62 and 18,831,594,189.16

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Solution

The fourth proportional to 30,646,887,758.20, 45,948,268,699.62 and 18,831,594,189.16 is: 28,233,834,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,887,758.20 : 45,948,268,699.62 = 18,831,594,189.16 : x
  2. Step 2: Convert to fraction form
    30,646,887,758.20/45,948,268,699.62 = 18,831,594,189.16/x
  3. Step 3: Cross multiply
    30,646,887,758.20x = 45,948,268,699.62 × 18,831,594,189.16
  4. Step 4: Simplify right side
    30,646,887,758.20x = 865,279,149,845,726,363,648
  5. Step 5: Solve for x
    x = 865,279,149,845,726,363,648/30,646,887,758.20
  6. Step 6: Final answer
    x = 28,233,834,269.65

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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.