Home / 547,008,038.30-820,512,057.45-164,055,590.30

Finding the Fourth Proportional to 547,008,038.30, 820,512,057.45 and 164,055,590.30

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Solution

The fourth proportional to 547,008,038.30, 820,512,057.45 and 164,055,590.30 is: 246,083,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,008,038.30 : 820,512,057.45 = 164,055,590.30 : x
  2. Step 2: Convert to fraction form
    547,008,038.30/820,512,057.45 = 164,055,590.30/x
  3. Step 3: Cross multiply
    547,008,038.30x = 820,512,057.45 × 164,055,590.30
  4. Step 4: Simplify right side
    547,008,038.30x = 134,609,589,933,227,280
  5. Step 5: Solve for x
    x = 134,609,589,933,227,280/547,008,038.30
  6. Step 6: Final answer
    x = 246,083,385.45

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Double scale
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Similar ratio
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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.