Home / 264,224,048.70-396,336,073.05-209,804,490.30

Finding the Fourth Proportional to 264,224,048.70, 396,336,073.05 and 209,804,490.30

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Solution

The fourth proportional to 264,224,048.70, 396,336,073.05 and 209,804,490.30 is: 314,706,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,224,048.70 : 396,336,073.05 = 209,804,490.30 : x
  2. Step 2: Convert to fraction form
    264,224,048.70/396,336,073.05 = 209,804,490.30/x
  3. Step 3: Cross multiply
    264,224,048.70x = 396,336,073.05 × 209,804,490.30
  4. Step 4: Simplify right side
    264,224,048.70x = 83,153,087,793,758,816
  5. Step 5: Solve for x
    x = 83,153,087,793,758,816/264,224,048.70
  6. Step 6: Final answer
    x = 314,706,735.45

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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.