Home / 873,843,894.54-1,311,282,983.05-321,534,181.01

Finding the Fourth Proportional to 873,843,894.54, 1,311,282,983.05 and 321,534,181.01

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Solution

The fourth proportional to 873,843,894.54, 1,311,282,983.05 and 321,534,181.01 is: 482,491,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,843,894.54 : 1,311,282,983.05 = 321,534,181.01 : x
  2. Step 2: Convert to fraction form
    873,843,894.54/1,311,282,983.05 = 321,534,181.01/x
  3. Step 3: Cross multiply
    873,843,894.54x = 1,311,282,983.05 × 321,534,181.01
  4. Step 4: Simplify right side
    873,843,894.54x = 421,622,300,029,805,760
  5. Step 5: Solve for x
    x = 421,622,300,029,805,760/873,843,894.54
  6. Step 6: Final answer
    x = 482,491,555.60

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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.