Home / 20,155,464,822.30-30,233,197,233.45-10,359,944,310.30

Finding the Fourth Proportional to 20,155,464,822.30, 30,233,197,233.45 and 10,359,944,310.30

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Solution

The fourth proportional to 20,155,464,822.30, 30,233,197,233.45 and 10,359,944,310.30 is: 15,539,916,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,464,822.30 : 30,233,197,233.45 = 10,359,944,310.30 : x
  2. Step 2: Convert to fraction form
    20,155,464,822.30/30,233,197,233.45 = 10,359,944,310.30/x
  3. Step 3: Cross multiply
    20,155,464,822.30x = 30,233,197,233.45 × 10,359,944,310.30
  4. Step 4: Simplify right side
    20,155,464,822.30x = 313,214,239,660,858,015,744
  5. Step 5: Solve for x
    x = 313,214,239,660,858,015,744/20,155,464,822.30
  6. Step 6: Final answer
    x = 15,539,916,465.45

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1.5x scale

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.