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Finding the Fourth Proportional to 1,335,801,736.71, 1,843,198,510.50 and 763,576,620.30

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Solution

The fourth proportional to 1,335,801,736.71, 1,843,198,510.50 and 763,576,620.30 is: 1,053,616,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,801,736.71 : 1,843,198,510.50 = 763,576,620.30 : x
  2. Step 2: Convert to fraction form
    1,335,801,736.71/1,843,198,510.50 = 763,576,620.30/x
  3. Step 3: Cross multiply
    1,335,801,736.71x = 1,843,198,510.50 × 763,576,620.30
  4. Step 4: Simplify right side
    1,335,801,736.71x = 1,407,423,289,189,583,872
  5. Step 5: Solve for x
    x = 1,407,423,289,189,583,872/1,335,801,736.71
  6. Step 6: Final answer
    x = 1,053,616,903.25

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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.