Home / 442,848,906.10-664,273,359.15-197,205,066.10

Finding the Fourth Proportional to 442,848,906.10, 664,273,359.15 and 197,205,066.10

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Solution

The fourth proportional to 442,848,906.10, 664,273,359.15 and 197,205,066.10 is: 295,807,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848,906.10 : 664,273,359.15 = 197,205,066.10 : x
  2. Step 2: Convert to fraction form
    442,848,906.10/664,273,359.15 = 197,205,066.10/x
  3. Step 3: Cross multiply
    442,848,906.10x = 664,273,359.15 × 197,205,066.10
  4. Step 4: Simplify right side
    442,848,906.10x = 130,998,071,699,644,784
  5. Step 5: Solve for x
    x = 130,998,071,699,644,784/442,848,906.10
  6. Step 6: Final answer
    x = 295,807,599.15

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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.