Home / 317,908,023.30-438,717,026.43-192,458,554.02

Finding the Fourth Proportional to 317,908,023.30, 438,717,026.43 and 192,458,554.02

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Solution

The fourth proportional to 317,908,023.30, 438,717,026.43 and 192,458,554.02 is: 265,595,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,908,023.30 : 438,717,026.43 = 192,458,554.02 : x
  2. Step 2: Convert to fraction form
    317,908,023.30/438,717,026.43 = 192,458,554.02/x
  3. Step 3: Cross multiply
    317,908,023.30x = 438,717,026.43 × 192,458,554.02
  4. Step 4: Simplify right side
    317,908,023.30x = 84,434,844,530,671,936
  5. Step 5: Solve for x
    x = 84,434,844,530,671,936/317,908,023.30
  6. Step 6: Final answer
    x = 265,595,198.43

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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.