Home / 358,848,300.60-538,272,450.90-221,098,793.40

Finding the Fourth Proportional to 358,848,300.60, 538,272,450.90 and 221,098,793.40

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Solution

The fourth proportional to 358,848,300.60, 538,272,450.90 and 221,098,793.40 is: 331,648,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,848,300.60 : 538,272,450.90 = 221,098,793.40 : x
  2. Step 2: Convert to fraction form
    358,848,300.60/538,272,450.90 = 221,098,793.40/x
  3. Step 3: Cross multiply
    358,848,300.60x = 538,272,450.90 × 221,098,793.40
  4. Step 4: Simplify right side
    358,848,300.60x = 119,011,389,414,450,736
  5. Step 5: Solve for x
    x = 119,011,389,414,450,736/358,848,300.60
  6. Step 6: Final answer
    x = 331,648,190.10

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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.