Home / 1,112,960,977,082.80-1,668,485,333,542.40-386,797,963,589.56

Finding the Fourth Proportional to 1,112,960,977,082.80, 1,668,485,333,542.40 and 386,797,963,589.56

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Solution

The fourth proportional to 1,112,960,977,082.80, 1,668,485,333,542.40 and 386,797,963,589.56 is: 579,864,651,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,960,977,082.80 : 1,668,485,333,542.40 = 386,797,963,589.56 : x
  2. Step 2: Convert to fraction form
    1,112,960,977,082.80/1,668,485,333,542.40 = 386,797,963,589.56/x
  3. Step 3: Cross multiply
    1,112,960,977,082.80x = 1,668,485,333,542.40 × 386,797,963,589.56
  4. Step 4: Simplify right side
    1,112,960,977,082.80x = 645,366,729,293,248,096,894,976
  5. Step 5: Solve for x
    x = 645,366,729,293,248,096,894,976/1,112,960,977,082.80
  6. Step 6: Final answer
    x = 579,864,651,665.35

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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.