Home / 1,218,633,561.80-1,826,674,538.55-509,988,141.56

Finding the Fourth Proportional to 1,218,633,561.80, 1,826,674,538.55 and 509,988,141.56

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Solution

The fourth proportional to 1,218,633,561.80, 1,826,674,538.55 and 509,988,141.56 is: 764,448,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,633,561.80 : 1,826,674,538.55 = 509,988,141.56 : x
  2. Step 2: Convert to fraction form
    1,218,633,561.80/1,826,674,538.55 = 509,988,141.56/x
  3. Step 3: Cross multiply
    1,218,633,561.80x = 1,826,674,538.55 × 509,988,141.56
  4. Step 4: Simplify right side
    1,218,633,561.80x = 931,582,353,150,085,120
  5. Step 5: Solve for x
    x = 931,582,353,150,085,120/1,218,633,561.80
  6. Step 6: Final answer
    x = 764,448,298.78

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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.