Home / 341,034,103.80-511,551,155.70-211,893,940.80

Finding the Fourth Proportional to 341,034,103.80, 511,551,155.70 and 211,893,940.80

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Solution

The fourth proportional to 341,034,103.80, 511,551,155.70 and 211,893,940.80 is: 317,840,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,034,103.80 : 511,551,155.70 = 211,893,940.80 : x
  2. Step 2: Convert to fraction form
    341,034,103.80/511,551,155.70 = 211,893,940.80/x
  3. Step 3: Cross multiply
    341,034,103.80x = 511,551,155.70 × 211,893,940.80
  4. Step 4: Simplify right side
    341,034,103.80x = 108,394,590,302,067,392
  5. Step 5: Solve for x
    x = 108,394,590,302,067,392/341,034,103.80
  6. Step 6: Final answer
    x = 317,840,911.20

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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.