Home / 1,218,633,561.30-1,826,674,537.80-509,988,141.06

Finding the Fourth Proportional to 1,218,633,561.30, 1,826,674,537.80 and 509,988,141.06

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Solution

The fourth proportional to 1,218,633,561.30, 1,826,674,537.80 and 509,988,141.06 is: 764,448,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,633,561.30 : 1,826,674,537.80 = 509,988,141.06 : x
  2. Step 2: Convert to fraction form
    1,218,633,561.30/1,826,674,537.80 = 509,988,141.06/x
  3. Step 3: Cross multiply
    1,218,633,561.30x = 1,826,674,537.80 × 509,988,141.06
  4. Step 4: Simplify right side
    1,218,633,561.30x = 931,582,351,854,256,640
  5. Step 5: Solve for x
    x = 931,582,351,854,256,640/1,218,633,561.30
  6. Step 6: Final answer
    x = 764,448,298.03

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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.