Home / 808,982,881.92-1,116,078,717.24-469,833,621.84

Finding the Fourth Proportional to 808,982,881.92, 1,116,078,717.24 and 469,833,621.84

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Solution

The fourth proportional to 808,982,881.92, 1,116,078,717.24 and 469,833,621.84 is: 648,185,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,982,881.92 : 1,116,078,717.24 = 469,833,621.84 : x
  2. Step 2: Convert to fraction form
    808,982,881.92/1,116,078,717.24 = 469,833,621.84/x
  3. Step 3: Cross multiply
    808,982,881.92x = 1,116,078,717.24 × 469,833,621.84
  4. Step 4: Simplify right side
    808,982,881.92x = 524,371,305,979,410,432
  5. Step 5: Solve for x
    x = 524,371,305,979,410,432/808,982,881.92
  6. Step 6: Final answer
    x = 648,185,910.60

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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.