Home / 1,112,960,977,081.80-1,668,485,333,540.90-386,797,963,588.56

Finding the Fourth Proportional to 1,112,960,977,081.80, 1,668,485,333,540.90 and 386,797,963,588.56

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Solution

The fourth proportional to 1,112,960,977,081.80, 1,668,485,333,540.90 and 386,797,963,588.56 is: 579,864,651,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,960,977,081.80 : 1,668,485,333,540.90 = 386,797,963,588.56 : x
  2. Step 2: Convert to fraction form
    1,112,960,977,081.80/1,668,485,333,540.90 = 386,797,963,588.56/x
  3. Step 3: Cross multiply
    1,112,960,977,081.80x = 1,668,485,333,540.90 × 386,797,963,588.56
  4. Step 4: Simplify right side
    1,112,960,977,081.80x = 645,366,729,290,999,413,080,064
  5. Step 5: Solve for x
    x = 645,366,729,290,999,413,080,064/1,112,960,977,081.80
  6. Step 6: Final answer
    x = 579,864,651,663.85

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Double scale
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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.