Home / 722,148,109,490.80-1,083,519,091,284.90-319,018,819,744.72

Finding the Fourth Proportional to 722,148,109,490.80, 1,083,519,091,284.90 and 319,018,819,744.72

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Solution

The fourth proportional to 722,148,109,490.80, 1,083,519,091,284.90 and 319,018,819,744.72 is: 478,659,401,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,148,109,490.80 : 1,083,519,091,284.90 = 319,018,819,744.72 : x
  2. Step 2: Convert to fraction form
    722,148,109,490.80/1,083,519,091,284.90 = 319,018,819,744.72/x
  3. Step 3: Cross multiply
    722,148,109,490.80x = 1,083,519,091,284.90 × 319,018,819,744.72
  4. Step 4: Simplify right side
    722,148,109,490.80x = 345,662,981,672,580,287,561,728
  5. Step 5: Solve for x
    x = 345,662,981,672,580,287,561,728/722,148,109,490.80
  6. Step 6: Final answer
    x = 478,659,401,208.31

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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.