Home / 641,178,297.11-884,827,753.36-347,822,865.11

Finding the Fourth Proportional to 641,178,297.11, 884,827,753.36 and 347,822,865.11

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Solution

The fourth proportional to 641,178,297.11, 884,827,753.36 and 347,822,865.11 is: 479,996,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,178,297.11 : 884,827,753.36 = 347,822,865.11 : x
  2. Step 2: Convert to fraction form
    641,178,297.11/884,827,753.36 = 347,822,865.11/x
  3. Step 3: Cross multiply
    641,178,297.11x = 884,827,753.36 × 347,822,865.11
  4. Step 4: Simplify right side
    641,178,297.11x = 307,763,324,302,519,616
  5. Step 5: Solve for x
    x = 307,763,324,302,519,616/641,178,297.11
  6. Step 6: Final answer
    x = 479,996,477.87

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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.