Home / 442,848,030.10-664,272,045.15-197,204,190.10

Finding the Fourth Proportional to 442,848,030.10, 664,272,045.15 and 197,204,190.10

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Solution

The fourth proportional to 442,848,030.10, 664,272,045.15 and 197,204,190.10 is: 295,806,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848,030.10 : 664,272,045.15 = 197,204,190.10 : x
  2. Step 2: Convert to fraction form
    442,848,030.10/664,272,045.15 = 197,204,190.10/x
  3. Step 3: Cross multiply
    442,848,030.10x = 664,272,045.15 × 197,204,190.10
  4. Step 4: Simplify right side
    442,848,030.10x = 130,997,230,669,876,368
  5. Step 5: Solve for x
    x = 130,997,230,669,876,368/442,848,030.10
  6. Step 6: Final answer
    x = 295,806,285.15

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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.