Home / 439,643,612,039.28-659,503,405,943.96-121,289,810,790.08

Finding the Fourth Proportional to 439,643,612,039.28, 659,503,405,943.96 and 121,289,810,790.08

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Solution

The fourth proportional to 439,643,612,039.28, 659,503,405,943.96 and 121,289,810,790.08 is: 181,945,196,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,643,612,039.28 : 659,503,405,943.96 = 121,289,810,790.08 : x
  2. Step 2: Convert to fraction form
    439,643,612,039.28/659,503,405,943.96 = 121,289,810,790.08/x
  3. Step 3: Cross multiply
    439,643,612,039.28x = 659,503,405,943.96 × 121,289,810,790.08
  4. Step 4: Simplify right side
    439,643,612,039.28x = 79,991,043,322,356,223,180,800
  5. Step 5: Solve for x
    x = 79,991,043,322,356,223,180,800/439,643,612,039.28
  6. Step 6: Final answer
    x = 181,945,196,363.30

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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.