Home / 1,218,633,560.80-1,826,674,537.05-509,988,140.56

Finding the Fourth Proportional to 1,218,633,560.80, 1,826,674,537.05 and 509,988,140.56

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Solution

The fourth proportional to 1,218,633,560.80, 1,826,674,537.05 and 509,988,140.56 is: 764,448,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,633,560.80 : 1,826,674,537.05 = 509,988,140.56 : x
  2. Step 2: Convert to fraction form
    1,218,633,560.80/1,826,674,537.05 = 509,988,140.56/x
  3. Step 3: Cross multiply
    1,218,633,560.80x = 1,826,674,537.05 × 509,988,140.56
  4. Step 4: Simplify right side
    1,218,633,560.80x = 931,582,350,558,428,288
  5. Step 5: Solve for x
    x = 931,582,350,558,428,288/1,218,633,560.80
  6. Step 6: Final answer
    x = 764,448,297.28

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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.