Home / 491,179,209.60-736,875,102.60-146,167,712.40

Finding the Fourth Proportional to 491,179,209.60, 736,875,102.60 and 146,167,712.40

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Solution

The fourth proportional to 491,179,209.60, 736,875,102.60 and 146,167,712.40 is: 219,283,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,179,209.60 : 736,875,102.60 = 146,167,712.40 : x
  2. Step 2: Convert to fraction form
    491,179,209.60/736,875,102.60 = 146,167,712.40/x
  3. Step 3: Cross multiply
    491,179,209.60x = 736,875,102.60 × 146,167,712.40
  4. Step 4: Simplify right side
    491,179,209.60x = 107,707,348,071,557,296
  5. Step 5: Solve for x
    x = 107,707,348,071,557,296/491,179,209.60
  6. Step 6: Final answer
    x = 219,283,198.41

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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.