Home / 490,316,383.04-676,644,110.88-267,298,214.72

Finding the Fourth Proportional to 490,316,383.04, 676,644,110.88 and 267,298,214.72

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Solution

The fourth proportional to 490,316,383.04, 676,644,110.88 and 267,298,214.72 is: 368,875,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,316,383.04 : 676,644,110.88 = 267,298,214.72 : x
  2. Step 2: Convert to fraction form
    490,316,383.04/676,644,110.88 = 267,298,214.72/x
  3. Step 3: Cross multiply
    490,316,383.04x = 676,644,110.88 × 267,298,214.72
  4. Step 4: Simplify right side
    490,316,383.04x = 180,865,762,839,025,728
  5. Step 5: Solve for x
    x = 180,865,762,839,025,728/490,316,383.04
  6. Step 6: Final answer
    x = 368,875,626.22

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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.