Home / 811,521,764.54-1,119,805,556.42-454,309,101.62

Finding the Fourth Proportional to 811,521,764.54, 1,119,805,556.42 and 454,309,101.62

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Solution

The fourth proportional to 811,521,764.54, 1,119,805,556.42 and 454,309,101.62 is: 626,893,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,521,764.54 : 1,119,805,556.42 = 454,309,101.62 : x
  2. Step 2: Convert to fraction form
    811,521,764.54/1,119,805,556.42 = 454,309,101.62/x
  3. Step 3: Cross multiply
    811,521,764.54x = 1,119,805,556.42 × 454,309,101.62
  4. Step 4: Simplify right side
    811,521,764.54x = 508,737,856,326,254,464
  5. Step 5: Solve for x
    x = 508,737,856,326,254,464/811,521,764.54
  6. Step 6: Final answer
    x = 626,893,668.85

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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.