Home / 12,941,314,357.46-17,858,839,199.49-7,225,686,823.57

Finding the Fourth Proportional to 12,941,314,357.46, 17,858,839,199.49 and 7,225,686,823.57

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Solution

The fourth proportional to 12,941,314,357.46, 17,858,839,199.49 and 7,225,686,823.57 is: 9,971,350,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,314,357.46 : 17,858,839,199.49 = 7,225,686,823.57 : x
  2. Step 2: Convert to fraction form
    12,941,314,357.46/17,858,839,199.49 = 7,225,686,823.57/x
  3. Step 3: Cross multiply
    12,941,314,357.46x = 17,858,839,199.49 × 7,225,686,823.57
  4. Step 4: Simplify right side
    12,941,314,357.46x = 129,042,379,087,965,667,328
  5. Step 5: Solve for x
    x = 129,042,379,087,965,667,328/12,941,314,357.46
  6. Step 6: Final answer
    x = 9,971,350,322.21

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1.5x scale

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.