Home / 490,252,071.96-676,537,776.36-267,231,843

Finding the Fourth Proportional to 490,252,071.96, 676,537,776.36 and 267,231,843

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Solution

The fourth proportional to 490,252,071.96, 676,537,776.36 and 267,231,843 is: 368,774,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,252,071.96 : 676,537,776.36 = 267,231,843 : x
  2. Step 2: Convert to fraction form
    490,252,071.96/676,537,776.36 = 267,231,843/x
  3. Step 3: Cross multiply
    490,252,071.96x = 676,537,776.36 × 267,231,843
  4. Step 4: Simplify right side
    490,252,071.96x = 180,792,436,835,804,640
  5. Step 5: Solve for x
    x = 180,792,436,835,804,640/490,252,071.96
  6. Step 6: Final answer
    x = 368,774,447.22

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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.