Home / 279,425,835,693.20-419,138,753,539.80-179,006,444,944.40

Finding the Fourth Proportional to 279,425,835,693.20, 419,138,753,539.80 and 179,006,444,944.40

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Solution

The fourth proportional to 279,425,835,693.20, 419,138,753,539.80 and 179,006,444,944.40 is: 268,509,667,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,425,835,693.20 : 419,138,753,539.80 = 179,006,444,944.40 : x
  2. Step 2: Convert to fraction form
    279,425,835,693.20/419,138,753,539.80 = 179,006,444,944.40/x
  3. Step 3: Cross multiply
    279,425,835,693.20x = 419,138,753,539.80 × 179,006,444,944.40
  4. Step 4: Simplify right side
    279,425,835,693.20x = 75,028,538,209,586,645,041,152
  5. Step 5: Solve for x
    x = 75,028,538,209,586,645,041,152/279,425,835,693.20
  6. Step 6: Final answer
    x = 268,509,667,416.60

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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.