Home / 442,848,899.10-664,273,348.65-197,205,059.10

Finding the Fourth Proportional to 442,848,899.10, 664,273,348.65 and 197,205,059.10

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Solution

The fourth proportional to 442,848,899.10, 664,273,348.65 and 197,205,059.10 is: 295,807,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848,899.10 : 664,273,348.65 = 197,205,059.10 : x
  2. Step 2: Convert to fraction form
    442,848,899.10/664,273,348.65 = 197,205,059.10/x
  3. Step 3: Cross multiply
    442,848,899.10x = 664,273,348.65 × 197,205,059.10
  4. Step 4: Simplify right side
    442,848,899.10x = 130,998,064,979,078,144
  5. Step 5: Solve for x
    x = 130,998,064,979,078,144/442,848,899.10
  6. Step 6: Final answer
    x = 295,807,588.65

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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.