Home / 548,458,199.79-822,749,723.84-198,868,919.29

Finding the Fourth Proportional to 548,458,199.79, 822,749,723.84 and 198,868,919.29

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Solution

The fourth proportional to 548,458,199.79, 822,749,723.84 and 198,868,919.29 is: 298,326,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,458,199.79 : 822,749,723.84 = 198,868,919.29 : x
  2. Step 2: Convert to fraction form
    548,458,199.79/822,749,723.84 = 198,868,919.29/x
  3. Step 3: Cross multiply
    548,458,199.79x = 822,749,723.84 × 198,868,919.29
  4. Step 4: Simplify right side
    548,458,199.79x = 163,619,348,427,881,088
  5. Step 5: Solve for x
    x = 163,619,348,427,881,088/548,458,199.79
  6. Step 6: Final answer
    x = 298,326,013.71

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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.