Home / 839,938,942,453.74-1,159,103,404,859.60-469,147,771,605.69

Finding the Fourth Proportional to 839,938,942,453.74, 1,159,103,404,859.60 and 469,147,771,605.69

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Solution

The fourth proportional to 839,938,942,453.74, 1,159,103,404,859.60 and 469,147,771,605.69 is: 647,417,034,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,938,942,453.74 : 1,159,103,404,859.60 = 469,147,771,605.69 : x
  2. Step 2: Convert to fraction form
    839,938,942,453.74/1,159,103,404,859.60 = 469,147,771,605.69/x
  3. Step 3: Cross multiply
    839,938,942,453.74x = 1,159,103,404,859.60 × 469,147,771,605.69
  4. Step 4: Simplify right side
    839,938,942,453.74x = 543,790,779,450,449,324,933,120
  5. Step 5: Solve for x
    x = 543,790,779,450,449,324,933,120/839,938,942,453.74
  6. Step 6: Final answer
    x = 647,417,034,697.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.