Home / 820,635,674.89-1,132,486,367.34-444,300,463.77

Finding the Fourth Proportional to 820,635,674.89, 1,132,486,367.34 and 444,300,463.77

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Solution

The fourth proportional to 820,635,674.89, 1,132,486,367.34 and 444,300,463.77 is: 613,139,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,635,674.89 : 1,132,486,367.34 = 444,300,463.77 : x
  2. Step 2: Convert to fraction form
    820,635,674.89/1,132,486,367.34 = 444,300,463.77/x
  3. Step 3: Cross multiply
    820,635,674.89x = 1,132,486,367.34 × 444,300,463.77
  4. Step 4: Simplify right side
    820,635,674.89x = 503,164,218,222,364,544
  5. Step 5: Solve for x
    x = 503,164,218,222,364,544/820,635,674.89
  6. Step 6: Final answer
    x = 613,139,586.32

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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.