Home / 543,172,878,853.84-749,618,190,257.16-314,861,063,542.48

Finding the Fourth Proportional to 543,172,878,853.84, 749,618,190,257.16 and 314,861,063,542.48

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Solution

The fourth proportional to 543,172,878,853.84, 749,618,190,257.16 and 314,861,063,542.48 is: 434,531,232,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,172,878,853.84 : 749,618,190,257.16 = 314,861,063,542.48 : x
  2. Step 2: Convert to fraction form
    543,172,878,853.84/749,618,190,257.16 = 314,861,063,542.48/x
  3. Step 3: Cross multiply
    543,172,878,853.84x = 749,618,190,257.16 × 314,861,063,542.48
  4. Step 4: Simplify right side
    543,172,878,853.84x = 236,025,580,635,158,520,791,040
  5. Step 5: Solve for x
    x = 236,025,580,635,158,520,791,040/543,172,878,853.84
  6. Step 6: Final answer
    x = 434,531,232,732.39

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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.