Home / 256,465,188,041.76-353,774,915,818.56-159,953,718,716.64

Finding the Fourth Proportional to 256,465,188,041.76, 353,774,915,818.56 and 159,953,718,716.64

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Solution

The fourth proportional to 256,465,188,041.76, 353,774,915,818.56 and 159,953,718,716.64 is: 220,644,422,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,465,188,041.76 : 353,774,915,818.56 = 159,953,718,716.64 : x
  2. Step 2: Convert to fraction form
    256,465,188,041.76/353,774,915,818.56 = 159,953,718,716.64/x
  3. Step 3: Cross multiply
    256,465,188,041.76x = 353,774,915,818.56 × 159,953,718,716.64
  4. Step 4: Simplify right side
    256,465,188,041.76x = 56,587,613,373,844,949,041,152
  5. Step 5: Solve for x
    x = 56,587,613,373,844,949,041,152/256,465,188,041.76
  6. Step 6: Final answer
    x = 220,644,422,761.31

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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.