Home / 266,938,224.40-400,407,336.60-209,607,331.60

Finding the Fourth Proportional to 266,938,224.40, 400,407,336.60 and 209,607,331.60

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Solution

The fourth proportional to 266,938,224.40, 400,407,336.60 and 209,607,331.60 is: 314,410,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,938,224.40 : 400,407,336.60 = 209,607,331.60 : x
  2. Step 2: Convert to fraction form
    266,938,224.40/400,407,336.60 = 209,607,331.60/x
  3. Step 3: Cross multiply
    266,938,224.40x = 400,407,336.60 × 209,607,331.60
  4. Step 4: Simplify right side
    266,938,224.40x = 83,928,313,377,789,024
  5. Step 5: Solve for x
    x = 83,928,313,377,789,024/266,938,224.40
  6. Step 6: Final answer
    x = 314,410,997.40

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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.