Home / 212,968,694,333.68-319,472,679,716.60-69,548,474,240.57

Finding the Fourth Proportional to 212,968,694,333.68, 319,472,679,716.60 and 69,548,474,240.57

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Solution

The fourth proportional to 212,968,694,333.68, 319,472,679,716.60 and 69,548,474,240.57 is: 104,329,124,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,968,694,333.68 : 319,472,679,716.60 = 69,548,474,240.57 : x
  2. Step 2: Convert to fraction form
    212,968,694,333.68/319,472,679,716.60 = 69,548,474,240.57/x
  3. Step 3: Cross multiply
    212,968,694,333.68x = 319,472,679,716.60 × 69,548,474,240.57
  4. Step 4: Simplify right side
    212,968,694,333.68x = 22,218,837,435,836,463,579,136
  5. Step 5: Solve for x
    x = 22,218,837,435,836,463,579,136/212,968,694,333.68
  6. Step 6: Final answer
    x = 104,329,124,547.40

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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.