Home / 1,073,088,015.20-1,609,632,022.80-879,218,338.40

Finding the Fourth Proportional to 1,073,088,015.20, 1,609,632,022.80 and 879,218,338.40

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Solution

The fourth proportional to 1,073,088,015.20, 1,609,632,022.80 and 879,218,338.40 is: 1,318,827,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,088,015.20 : 1,609,632,022.80 = 879,218,338.40 : x
  2. Step 2: Convert to fraction form
    1,073,088,015.20/1,609,632,022.80 = 879,218,338.40/x
  3. Step 3: Cross multiply
    1,073,088,015.20x = 1,609,632,022.80 × 879,218,338.40
  4. Step 4: Simplify right side
    1,073,088,015.20x = 1,415,217,992,521,646,848
  5. Step 5: Solve for x
    x = 1,415,217,992,521,646,848/1,073,088,015.20
  6. Step 6: Final answer
    x = 1,318,827,507.60

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Double scale
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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.