Home / 1,163,983,979.42-1,606,058,104.65-668,851,028.54

Finding the Fourth Proportional to 1,163,983,979.42, 1,606,058,104.65 and 668,851,028.54

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Solution

The fourth proportional to 1,163,983,979.42, 1,606,058,104.65 and 668,851,028.54 is: 922,876,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,983,979.42 : 1,606,058,104.65 = 668,851,028.54 : x
  2. Step 2: Convert to fraction form
    1,163,983,979.42/1,606,058,104.65 = 668,851,028.54/x
  3. Step 3: Cross multiply
    1,163,983,979.42x = 1,606,058,104.65 × 668,851,028.54
  4. Step 4: Simplify right side
    1,163,983,979.42x = 1,074,213,615,190,155,520
  5. Step 5: Solve for x
    x = 1,074,213,615,190,155,520/1,163,983,979.42
  6. Step 6: Final answer
    x = 922,876,632.48

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Double scale
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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.