Home / 360,295,906,319.43-497,222,685,924.63-197,721,370,147.38

Finding the Fourth Proportional to 360,295,906,319.43, 497,222,685,924.63 and 197,721,370,147.38

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Solution

The fourth proportional to 360,295,906,319.43, 497,222,685,924.63 and 197,721,370,147.38 is: 272,863,357,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,295,906,319.43 : 497,222,685,924.63 = 197,721,370,147.38 : x
  2. Step 2: Convert to fraction form
    360,295,906,319.43/497,222,685,924.63 = 197,721,370,147.38/x
  3. Step 3: Cross multiply
    360,295,906,319.43x = 497,222,685,924.63 × 197,721,370,147.38
  4. Step 4: Simplify right side
    360,295,906,319.43x = 98,311,550,729,378,238,300,160
  5. Step 5: Solve for x
    x = 98,311,550,729,378,238,300,160/360,295,906,319.43
  6. Step 6: Final answer
    x = 272,863,357,604.23

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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.