Home / 997,488,001.10-1,496,232,001.65-415,028,665.10

Finding the Fourth Proportional to 997,488,001.10, 1,496,232,001.65 and 415,028,665.10

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Solution

The fourth proportional to 997,488,001.10, 1,496,232,001.65 and 415,028,665.10 is: 622,542,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,488,001.10 : 1,496,232,001.65 = 415,028,665.10 : x
  2. Step 2: Convert to fraction form
    997,488,001.10/1,496,232,001.65 = 415,028,665.10/x
  3. Step 3: Cross multiply
    997,488,001.10x = 1,496,232,001.65 × 415,028,665.10
  4. Step 4: Simplify right side
    997,488,001.10x = 620,979,170,324,700,544
  5. Step 5: Solve for x
    x = 620,979,170,324,700,544/997,488,001.10
  6. Step 6: Final answer
    x = 622,542,997.65

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Double scale
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Similar ratio
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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.