Home / 402,787,374,079.14-555,848,833,940.28-229,172,509,324.26

Finding the Fourth Proportional to 402,787,374,079.14, 555,848,833,940.28 and 229,172,509,324.26

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Solution

The fourth proportional to 402,787,374,079.14, 555,848,833,940.28 and 229,172,509,324.26 is: 316,259,347,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,787,374,079.14 : 555,848,833,940.28 = 229,172,509,324.26 : x
  2. Step 2: Convert to fraction form
    402,787,374,079.14/555,848,833,940.28 = 229,172,509,324.26/x
  3. Step 3: Cross multiply
    402,787,374,079.14x = 555,848,833,940.28 × 229,172,509,324.26
  4. Step 4: Simplify right side
    402,787,374,079.14x = 127,385,272,079,057,871,175,680
  5. Step 5: Solve for x
    x = 127,385,272,079,057,871,175,680/402,787,374,079.14
  6. Step 6: Final answer
    x = 316,259,347,429.37

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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.