Home / 1,101,313,295.70-1,649,979,287.55-640,874,562.90

Finding the Fourth Proportional to 1,101,313,295.70, 1,649,979,287.55 and 640,874,562.90

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Solution

The fourth proportional to 1,101,313,295.70, 1,649,979,287.55 and 640,874,562.90 is: 960,153,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,313,295.70 : 1,649,979,287.55 = 640,874,562.90 : x
  2. Step 2: Convert to fraction form
    1,101,313,295.70/1,649,979,287.55 = 640,874,562.90/x
  3. Step 3: Cross multiply
    1,101,313,295.70x = 1,649,979,287.55 × 640,874,562.90
  4. Step 4: Simplify right side
    1,101,313,295.70x = 1,057,429,754,702,659,584
  5. Step 5: Solve for x
    x = 1,057,429,754,702,659,584/1,101,313,295.70
  6. Step 6: Final answer
    x = 960,153,444.83

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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.