Home / 1,112,960,977,076.40-1,668,485,333,532.60-386,797,963,583.01

Finding the Fourth Proportional to 1,112,960,977,076.40, 1,668,485,333,532.60 and 386,797,963,583.01

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Solution

The fourth proportional to 1,112,960,977,076.40, 1,668,485,333,532.60 and 386,797,963,583.01 is: 579,864,651,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,960,977,076.40 : 1,668,485,333,532.60 = 386,797,963,583.01 : x
  2. Step 2: Convert to fraction form
    1,112,960,977,076.40/1,668,485,333,532.60 = 386,797,963,583.01/x
  3. Step 3: Cross multiply
    1,112,960,977,076.40x = 1,668,485,333,532.60 × 386,797,963,583.01
  4. Step 4: Simplify right side
    1,112,960,977,076.40x = 645,366,729,278,528,975,536,128
  5. Step 5: Solve for x
    x = 645,366,729,278,528,975,536,128/1,112,960,977,076.40
  6. Step 6: Final answer
    x = 579,864,651,655.46

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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.