Home / 29,122,944,015.20-43,684,416,022.80-28,306,650,639.20

Finding the Fourth Proportional to 29,122,944,015.20, 43,684,416,022.80 and 28,306,650,639.20

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Solution

The fourth proportional to 29,122,944,015.20, 43,684,416,022.80 and 28,306,650,639.20 is: 42,459,975,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122,944,015.20 : 43,684,416,022.80 = 28,306,650,639.20 : x
  2. Step 2: Convert to fraction form
    29,122,944,015.20/43,684,416,022.80 = 28,306,650,639.20/x
  3. Step 3: Cross multiply
    29,122,944,015.20x = 43,684,416,022.80 × 28,306,650,639.20
  4. Step 4: Simplify right side
    29,122,944,015.20x = 1,236,559,502,734,870,446,080
  5. Step 5: Solve for x
    x = 1,236,559,502,734,870,446,080/29,122,944,015.20
  6. Step 6: Final answer
    x = 42,459,975,958.80

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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.