Home / 644,659,642,860.28-966,626,615,640.24-214,166,258,394.52

Finding the Fourth Proportional to 644,659,642,860.28, 966,626,615,640.24 and 214,166,258,394.52

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Solution

The fourth proportional to 644,659,642,860.28, 966,626,615,640.24 and 214,166,258,394.52 is: 321,128,843,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,659,642,860.28 : 966,626,615,640.24 = 214,166,258,394.52 : x
  2. Step 2: Convert to fraction form
    644,659,642,860.28/966,626,615,640.24 = 214,166,258,394.52/x
  3. Step 3: Cross multiply
    644,659,642,860.28x = 966,626,615,640.24 × 214,166,258,394.52
  4. Step 4: Simplify right side
    644,659,642,860.28x = 207,018,805,536,227,999,088,640
  5. Step 5: Solve for x
    x = 207,018,805,536,227,999,088,640/644,659,642,860.28
  6. Step 6: Final answer
    x = 321,128,843,458.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.