Home / 1,112,960,977,077.10-1,668,485,333,533.80-386,797,963,583.76

Finding the Fourth Proportional to 1,112,960,977,077.10, 1,668,485,333,533.80 and 386,797,963,583.76

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Solution

The fourth proportional to 1,112,960,977,077.10, 1,668,485,333,533.80 and 386,797,963,583.76 is: 579,864,651,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,960,977,077.10 : 1,668,485,333,533.80 = 386,797,963,583.76 : x
  2. Step 2: Convert to fraction form
    1,112,960,977,077.10/1,668,485,333,533.80 = 386,797,963,583.76/x
  3. Step 3: Cross multiply
    1,112,960,977,077.10x = 1,668,485,333,533.80 × 386,797,963,583.76
  4. Step 4: Simplify right side
    1,112,960,977,077.10x = 645,366,729,280,244,412,317,696
  5. Step 5: Solve for x
    x = 645,366,729,280,244,412,317,696/1,112,960,977,077.10
  6. Step 6: Final answer
    x = 579,864,651,656.64

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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.