Home / 1,213,147,716.60-1,819,721,574.90-662,149,687.80

Finding the Fourth Proportional to 1,213,147,716.60, 1,819,721,574.90 and 662,149,687.80

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Solution

The fourth proportional to 1,213,147,716.60, 1,819,721,574.90 and 662,149,687.80 is: 993,224,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,147,716.60 : 1,819,721,574.90 = 662,149,687.80 : x
  2. Step 2: Convert to fraction form
    1,213,147,716.60/1,819,721,574.90 = 662,149,687.80/x
  3. Step 3: Cross multiply
    1,213,147,716.60x = 1,819,721,574.90 × 662,149,687.80
  4. Step 4: Simplify right side
    1,213,147,716.60x = 1,204,928,072,702,959,360
  5. Step 5: Solve for x
    x = 1,204,928,072,702,959,360/1,213,147,716.60
  6. Step 6: Final answer
    x = 993,224,531.70

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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.