Home / 738,961,683.23-1,019,769,825.38-399,870,161.75

Finding the Fourth Proportional to 738,961,683.23, 1,019,769,825.38 and 399,870,161.75

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Solution

The fourth proportional to 738,961,683.23, 1,019,769,825.38 and 399,870,161.75 is: 551,822,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,961,683.23 : 1,019,769,825.38 = 399,870,161.75 : x
  2. Step 2: Convert to fraction form
    738,961,683.23/1,019,769,825.38 = 399,870,161.75/x
  3. Step 3: Cross multiply
    738,961,683.23x = 1,019,769,825.38 × 399,870,161.75
  4. Step 4: Simplify right side
    738,961,683.23x = 407,775,525,022,469,824
  5. Step 5: Solve for x
    x = 407,775,525,022,469,824/738,961,683.23
  6. Step 6: Final answer
    x = 551,822,285.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.