Home / 822,168,498.92-1,232,760,236.51-261,688,213.35

Finding the Fourth Proportional to 822,168,498.92, 1,232,760,236.51 and 261,688,213.35

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Solution

The fourth proportional to 822,168,498.92, 1,232,760,236.51 and 261,688,213.35 is: 392,375,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,168,498.92 : 1,232,760,236.51 = 261,688,213.35 : x
  2. Step 2: Convert to fraction form
    822,168,498.92/1,232,760,236.51 = 261,688,213.35/x
  3. Step 3: Cross multiply
    822,168,498.92x = 1,232,760,236.51 × 261,688,213.35
  4. Step 4: Simplify right side
    822,168,498.92x = 322,598,823,781,879,552
  5. Step 5: Solve for x
    x = 322,598,823,781,879,552/822,168,498.92
  6. Step 6: Final answer
    x = 392,375,558.30

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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.