Home / 785,513,044.25-1,178,390,635.27-267,822,415.82

Finding the Fourth Proportional to 785,513,044.25, 1,178,390,635.27 and 267,822,415.82

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Solution

The fourth proportional to 785,513,044.25, 1,178,390,635.27 and 267,822,415.82 is: 401,774,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,513,044.25 : 1,178,390,635.27 = 267,822,415.82 : x
  2. Step 2: Convert to fraction form
    785,513,044.25/1,178,390,635.27 = 267,822,415.82/x
  3. Step 3: Cross multiply
    785,513,044.25x = 1,178,390,635.27 × 267,822,415.82
  4. Step 4: Simplify right side
    785,513,044.25x = 315,599,426,720,970,048
  5. Step 5: Solve for x
    x = 315,599,426,720,970,048/785,513,044.25
  6. Step 6: Final answer
    x = 401,774,902.45

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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.