Home / 1,149,760,730.82-1,724,654,782.15-320,663,929.09

Finding the Fourth Proportional to 1,149,760,730.82, 1,724,654,782.15 and 320,663,929.09

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Solution

The fourth proportional to 1,149,760,730.82, 1,724,654,782.15 and 320,663,929.09 is: 480,999,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,760,730.82 : 1,724,654,782.15 = 320,663,929.09 : x
  2. Step 2: Convert to fraction form
    1,149,760,730.82/1,724,654,782.15 = 320,663,929.09/x
  3. Step 3: Cross multiply
    1,149,760,730.82x = 1,724,654,782.15 × 320,663,929.09
  4. Step 4: Simplify right side
    1,149,760,730.82x = 553,034,578,766,206,080
  5. Step 5: Solve for x
    x = 553,034,578,766,206,080/1,149,760,730.82
  6. Step 6: Final answer
    x = 480,999,710.58

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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.