Home / 442,848,898.60-664,273,347.90-197,205,058.60

Finding the Fourth Proportional to 442,848,898.60, 664,273,347.90 and 197,205,058.60

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Solution

The fourth proportional to 442,848,898.60, 664,273,347.90 and 197,205,058.60 is: 295,807,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848,898.60 : 664,273,347.90 = 197,205,058.60 : x
  2. Step 2: Convert to fraction form
    442,848,898.60/664,273,347.90 = 197,205,058.60/x
  3. Step 3: Cross multiply
    442,848,898.60x = 664,273,347.90 × 197,205,058.60
  4. Step 4: Simplify right side
    442,848,898.60x = 130,998,064,499,037,680
  5. Step 5: Solve for x
    x = 130,998,064,499,037,680/442,848,898.60
  6. Step 6: Final answer
    x = 295,807,587.90

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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.