Home / 4,279,392,005.40-6,419,088,008.10-2,781,366,114.60

Finding the Fourth Proportional to 4,279,392,005.40, 6,419,088,008.10 and 2,781,366,114.60

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Solution

The fourth proportional to 4,279,392,005.40, 6,419,088,008.10 and 2,781,366,114.60 is: 4,172,049,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,392,005.40 : 6,419,088,008.10 = 2,781,366,114.60 : x
  2. Step 2: Convert to fraction form
    4,279,392,005.40/6,419,088,008.10 = 2,781,366,114.60/x
  3. Step 3: Cross multiply
    4,279,392,005.40x = 6,419,088,008.10 × 2,781,366,114.60
  4. Step 4: Simplify right side
    4,279,392,005.40x = 17,853,833,872,364,550,144
  5. Step 5: Solve for x
    x = 17,853,833,872,364,550,144/4,279,392,005.40
  6. Step 6: Final answer
    x = 4,172,049,171.90

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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.