Home / 1,294,098,082-1,941,147,123-432,455,074

Finding the Fourth Proportional to 1,294,098,082, 1,941,147,123 and 432,455,074

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Solution

The fourth proportional to 1,294,098,082, 1,941,147,123 and 432,455,074 is: 648,682,611

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,098,082 : 1,941,147,123 = 432,455,074 : x
  2. Step 2: Convert to fraction form
    1,294,098,082/1,941,147,123 = 432,455,074/x
  3. Step 3: Cross multiply
    1,294,098,082x = 1,941,147,123 × 432,455,074
  4. Step 4: Simplify right side
    1,294,098,082x = 839,458,922,721,852,160
  5. Step 5: Solve for x
    x = 839,458,922,721,852,160/1,294,098,082
  6. Step 6: Final answer
    x = 648,682,611

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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.