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Finding the Fourth Proportional to 635,181,393.80, 952,772,090.70 and 271,712,491.40

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Solution

The fourth proportional to 635,181,393.80, 952,772,090.70 and 271,712,491.40 is: 407,568,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,181,393.80 : 952,772,090.70 = 271,712,491.40 : x
  2. Step 2: Convert to fraction form
    635,181,393.80/952,772,090.70 = 271,712,491.40/x
  3. Step 3: Cross multiply
    635,181,393.80x = 952,772,090.70 × 271,712,491.40
  4. Step 4: Simplify right side
    635,181,393.80x = 258,880,078,500,483,776
  5. Step 5: Solve for x
    x = 258,880,078,500,483,776/635,181,393.80
  6. Step 6: Final answer
    x = 407,568,737.10

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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.