Home / 454,723,601.51-681,792,142.16-178,402,741.88

Finding the Fourth Proportional to 454,723,601.51, 681,792,142.16 and 178,402,741.88

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Solution

The fourth proportional to 454,723,601.51, 681,792,142.16 and 178,402,741.88 is: 267,489,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,723,601.51 : 681,792,142.16 = 178,402,741.88 : x
  2. Step 2: Convert to fraction form
    454,723,601.51/681,792,142.16 = 178,402,741.88/x
  3. Step 3: Cross multiply
    454,723,601.51x = 681,792,142.16 × 178,402,741.88
  4. Step 4: Simplify right side
    454,723,601.51x = 121,633,587,549,281,760
  5. Step 5: Solve for x
    x = 121,633,587,549,281,760/454,723,601.51
  6. Step 6: Final answer
    x = 267,489,057.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.