Home / 217,727,999.40-305,222,307-217,727,999.40

Finding the Fourth Proportional to 217,727,999.40, 305,222,307 and 217,727,999.40

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Solution

The fourth proportional to 217,727,999.40, 305,222,307 and 217,727,999.40 is: 305,222,307

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,727,999.40 : 305,222,307 = 217,727,999.40 : x
  2. Step 2: Convert to fraction form
    217,727,999.40/305,222,307 = 217,727,999.40/x
  3. Step 3: Cross multiply
    217,727,999.40x = 305,222,307 × 217,727,999.40
  4. Step 4: Simplify right side
    217,727,999.40x = 66,455,442,275,362,616
  5. Step 5: Solve for x
    x = 66,455,442,275,362,616/217,727,999.40
  6. Step 6: Final answer
    x = 305,222,307

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.