Home / 396,522,409.70-547,215,693.18-237,778,377.74

Finding the Fourth Proportional to 396,522,409.70, 547,215,693.18 and 237,778,377.74

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Solution

The fourth proportional to 396,522,409.70, 547,215,693.18 and 237,778,377.74 is: 328,143,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,409.70 : 547,215,693.18 = 237,778,377.74 : x
  2. Step 2: Convert to fraction form
    396,522,409.70/547,215,693.18 = 237,778,377.74/x
  3. Step 3: Cross multiply
    396,522,409.70x = 547,215,693.18 × 237,778,377.74
  4. Step 4: Simplify right side
    396,522,409.70x = 130,116,059,798,209,968
  5. Step 5: Solve for x
    x = 130,116,059,798,209,968/396,522,409.70
  6. Step 6: Final answer
    x = 328,143,016.93

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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.