Home / 628,531,427,083.44-867,373,717,839.48-339,499,685,335.44

Finding the Fourth Proportional to 628,531,427,083.44, 867,373,717,839.48 and 339,499,685,335.44

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Solution

The fourth proportional to 628,531,427,083.44, 867,373,717,839.48 and 339,499,685,335.44 is: 468,509,753,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,531,427,083.44 : 867,373,717,839.48 = 339,499,685,335.44 : x
  2. Step 2: Convert to fraction form
    628,531,427,083.44/867,373,717,839.48 = 339,499,685,335.44/x
  3. Step 3: Cross multiply
    628,531,427,083.44x = 867,373,717,839.48 × 339,499,685,335.44
  4. Step 4: Simplify right side
    628,531,427,083.44x = 294,473,104,274,734,190,690,304
  5. Step 5: Solve for x
    x = 294,473,104,274,734,190,690,304/628,531,427,083.44
  6. Step 6: Final answer
    x = 468,509,753,985.05

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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.