Home / 864,454,383.76-1,192,947,448.73-467,977,373.32

Finding the Fourth Proportional to 864,454,383.76, 1,192,947,448.73 and 467,977,373.32

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Solution

The fourth proportional to 864,454,383.76, 1,192,947,448.73 and 467,977,373.32 is: 645,808,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,454,383.76 : 1,192,947,448.73 = 467,977,373.32 : x
  2. Step 2: Convert to fraction form
    864,454,383.76/1,192,947,448.73 = 467,977,373.32/x
  3. Step 3: Cross multiply
    864,454,383.76x = 1,192,947,448.73 × 467,977,373.32
  4. Step 4: Simplify right side
    864,454,383.76x = 558,272,413,563,120,832
  5. Step 5: Solve for x
    x = 558,272,413,563,120,832/864,454,383.76
  6. Step 6: Final answer
    x = 645,808,991.26

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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.