Home / 547,008,039.30-820,512,058.95-164,055,591.30

Finding the Fourth Proportional to 547,008,039.30, 820,512,058.95 and 164,055,591.30

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Solution

The fourth proportional to 547,008,039.30, 820,512,058.95 and 164,055,591.30 is: 246,083,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,008,039.30 : 820,512,058.95 = 164,055,591.30 : x
  2. Step 2: Convert to fraction form
    547,008,039.30/820,512,058.95 = 164,055,591.30/x
  3. Step 3: Cross multiply
    547,008,039.30x = 820,512,058.95 × 164,055,591.30
  4. Step 4: Simplify right side
    547,008,039.30x = 134,609,590,999,822,720
  5. Step 5: Solve for x
    x = 134,609,590,999,822,720/547,008,039.30
  6. Step 6: Final answer
    x = 246,083,386.95

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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.