Home / 561,887,677,696.40-775,405,569,089.92-304,970,627,897.76

Finding the Fourth Proportional to 561,887,677,696.40, 775,405,569,089.92 and 304,970,627,897.76

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Solution

The fourth proportional to 561,887,677,696.40, 775,405,569,089.92 and 304,970,627,897.76 is: 420,859,777,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,887,677,696.40 : 775,405,569,089.92 = 304,970,627,897.76 : x
  2. Step 2: Convert to fraction form
    561,887,677,696.40/775,405,569,089.92 = 304,970,627,897.76/x
  3. Step 3: Cross multiply
    561,887,677,696.40x = 775,405,569,089.92 × 304,970,627,897.76
  4. Step 4: Simplify right side
    561,887,677,696.40x = 236,475,923,280,772,854,710,272
  5. Step 5: Solve for x
    x = 236,475,923,280,772,854,710,272/561,887,677,696.40
  6. Step 6: Final answer
    x = 420,859,777,972.47

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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.