Home / 1,264,616,150.90-1,745,352,924.37-728,665,207.66

Finding the Fourth Proportional to 1,264,616,150.90, 1,745,352,924.37 and 728,665,207.66

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Solution

The fourth proportional to 1,264,616,150.90, 1,745,352,924.37 and 728,665,207.66 is: 1,005,663,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,616,150.90 : 1,745,352,924.37 = 728,665,207.66 : x
  2. Step 2: Convert to fraction form
    1,264,616,150.90/1,745,352,924.37 = 728,665,207.66/x
  3. Step 3: Cross multiply
    1,264,616,150.90x = 1,745,352,924.37 × 728,665,207.66
  4. Step 4: Simplify right side
    1,264,616,150.90x = 1,271,777,951,076,414,464
  5. Step 5: Solve for x
    x = 1,271,777,951,076,414,464/1,264,616,150.90
  6. Step 6: Final answer
    x = 1,005,663,220.55

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Double scale
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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.