Home / 1,101,313,234.70-1,649,979,196.05-640,874,501.90

Finding the Fourth Proportional to 1,101,313,234.70, 1,649,979,196.05 and 640,874,501.90

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Solution

The fourth proportional to 1,101,313,234.70, 1,649,979,196.05 and 640,874,501.90 is: 960,153,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,313,234.70 : 1,649,979,196.05 = 640,874,501.90 : x
  2. Step 2: Convert to fraction form
    1,101,313,234.70/1,649,979,196.05 = 640,874,501.90/x
  3. Step 3: Cross multiply
    1,101,313,234.70x = 1,649,979,196.05 × 640,874,501.90
  4. Step 4: Simplify right side
    1,101,313,234.70x = 1,057,429,595,413,906,176
  5. Step 5: Solve for x
    x = 1,057,429,595,413,906,176/1,101,313,234.70
  6. Step 6: Final answer
    x = 960,153,353.38

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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.