Home / 316,501,644.20-474,752,466.30-178,185,266.60

Finding the Fourth Proportional to 316,501,644.20, 474,752,466.30 and 178,185,266.60

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Solution

The fourth proportional to 316,501,644.20, 474,752,466.30 and 178,185,266.60 is: 267,277,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,501,644.20 : 474,752,466.30 = 178,185,266.60 : x
  2. Step 2: Convert to fraction form
    316,501,644.20/474,752,466.30 = 178,185,266.60/x
  3. Step 3: Cross multiply
    316,501,644.20x = 474,752,466.30 × 178,185,266.60
  4. Step 4: Simplify right side
    316,501,644.20x = 84,593,894,776,673,008
  5. Step 5: Solve for x
    x = 84,593,894,776,673,008/316,501,644.20
  6. Step 6: Final answer
    x = 267,277,899.90

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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.