Home / 1,218,633,559.80-1,826,674,535.55-509,988,139.56

Finding the Fourth Proportional to 1,218,633,559.80, 1,826,674,535.55 and 509,988,139.56

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Solution

The fourth proportional to 1,218,633,559.80, 1,826,674,535.55 and 509,988,139.56 is: 764,448,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,633,559.80 : 1,826,674,535.55 = 509,988,139.56 : x
  2. Step 2: Convert to fraction form
    1,218,633,559.80/1,826,674,535.55 = 509,988,139.56/x
  3. Step 3: Cross multiply
    1,218,633,559.80x = 1,826,674,535.55 × 509,988,139.56
  4. Step 4: Simplify right side
    1,218,633,559.80x = 931,582,347,966,771,584
  5. Step 5: Solve for x
    x = 931,582,347,966,771,584/1,218,633,559.80
  6. Step 6: Final answer
    x = 764,448,295.78

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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.