Home / 402,787,374,046.16-555,848,833,894.82-229,172,509,291.26

Finding the Fourth Proportional to 402,787,374,046.16, 555,848,833,894.82 and 229,172,509,291.26

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Solution

The fourth proportional to 402,787,374,046.16, 555,848,833,894.82 and 229,172,509,291.26 is: 316,259,347,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,787,374,046.16 : 555,848,833,894.82 = 229,172,509,291.26 : x
  2. Step 2: Convert to fraction form
    402,787,374,046.16/555,848,833,894.82 = 229,172,509,291.26/x
  3. Step 3: Cross multiply
    402,787,374,046.16x = 555,848,833,894.82 × 229,172,509,291.26
  4. Step 4: Simplify right side
    402,787,374,046.16x = 127,385,272,050,296,673,009,664
  5. Step 5: Solve for x
    x = 127,385,272,050,296,673,009,664/402,787,374,046.16
  6. Step 6: Final answer
    x = 316,259,347,383.86

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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.