Home / 256,465,188,046.76-353,774,915,825.46-159,953,718,721.64

Finding the Fourth Proportional to 256,465,188,046.76, 353,774,915,825.46 and 159,953,718,721.64

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Solution

The fourth proportional to 256,465,188,046.76, 353,774,915,825.46 and 159,953,718,721.64 is: 220,644,422,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,465,188,046.76 : 353,774,915,825.46 = 159,953,718,721.64 : x
  2. Step 2: Convert to fraction form
    256,465,188,046.76/353,774,915,825.46 = 159,953,718,721.64/x
  3. Step 3: Cross multiply
    256,465,188,046.76x = 353,774,915,825.46 × 159,953,718,721.64
  4. Step 4: Simplify right side
    256,465,188,046.76x = 56,587,613,376,717,502,021,632
  5. Step 5: Solve for x
    x = 56,587,613,376,717,502,021,632/256,465,188,046.76
  6. Step 6: Final answer
    x = 220,644,422,768.21

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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.