Home / 822,649,513.82-1,135,277,219.50-451,371,446.78

Finding the Fourth Proportional to 822,649,513.82, 1,135,277,219.50 and 451,371,446.78

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Solution

The fourth proportional to 822,649,513.82, 1,135,277,219.50 and 451,371,446.78 is: 622,904,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,649,513.82 : 1,135,277,219.50 = 451,371,446.78 : x
  2. Step 2: Convert to fraction form
    822,649,513.82/1,135,277,219.50 = 451,371,446.78/x
  3. Step 3: Cross multiply
    822,649,513.82x = 1,135,277,219.50 × 451,371,446.78
  4. Step 4: Simplify right side
    822,649,513.82x = 512,431,721,062,090,624
  5. Step 5: Solve for x
    x = 512,431,721,062,090,624/822,649,513.82
  6. Step 6: Final answer
    x = 622,904,058.72

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1.5x scale

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.