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Finding the Fourth Proportional to 1,335,801,735.21, 1,843,198,508.43 and 763,576,618.80

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Solution

The fourth proportional to 1,335,801,735.21, 1,843,198,508.43 and 763,576,618.80 is: 1,053,616,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,801,735.21 : 1,843,198,508.43 = 763,576,618.80 : x
  2. Step 2: Convert to fraction form
    1,335,801,735.21/1,843,198,508.43 = 763,576,618.80/x
  3. Step 3: Cross multiply
    1,335,801,735.21x = 1,843,198,508.43 × 763,576,618.80
  4. Step 4: Simplify right side
    1,335,801,735.21x = 1,407,423,284,844,182,784
  5. Step 5: Solve for x
    x = 1,407,423,284,844,182,784/1,335,801,735.21
  6. Step 6: Final answer
    x = 1,053,616,901.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.