Home / 641,554,028.57-962,735,851.43-273,088,379.29

Finding the Fourth Proportional to 641,554,028.57, 962,735,851.43 and 273,088,379.29

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Solution

The fourth proportional to 641,554,028.57, 962,735,851.43 and 273,088,379.29 is: 409,804,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,554,028.57 : 962,735,851.43 = 273,088,379.29 : x
  2. Step 2: Convert to fraction form
    641,554,028.57/962,735,851.43 = 273,088,379.29/x
  3. Step 3: Cross multiply
    641,554,028.57x = 962,735,851.43 × 273,088,379.29
  4. Step 4: Simplify right side
    641,554,028.57x = 262,911,973,348,648,768
  5. Step 5: Solve for x
    x = 262,911,973,348,648,768/641,554,028.57
  6. Step 6: Final answer
    x = 409,804,882.58

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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.