Home / 2,142,231,861.84-2,956,180,458.96-1,189,673,080.08

Finding the Fourth Proportional to 2,142,231,861.84, 2,956,180,458.96 and 1,189,673,080.08

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Solution

The fourth proportional to 2,142,231,861.84, 2,956,180,458.96 and 1,189,673,080.08 is: 1,641,693,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,231,861.84 : 2,956,180,458.96 = 1,189,673,080.08 : x
  2. Step 2: Convert to fraction form
    2,142,231,861.84/2,956,180,458.96 = 1,189,673,080.08/x
  3. Step 3: Cross multiply
    2,142,231,861.84x = 2,956,180,458.96 × 1,189,673,080.08
  4. Step 4: Simplify right side
    2,142,231,861.84x = 3,516,888,311,883,251,200
  5. Step 5: Solve for x
    x = 3,516,888,311,883,251,200/2,142,231,861.84
  6. Step 6: Final answer
    x = 1,641,693,588.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.