Home / 785,929,281.98-1,084,585,781.01-428,704,843.41

Finding the Fourth Proportional to 785,929,281.98, 1,084,585,781.01 and 428,704,843.41

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Solution

The fourth proportional to 785,929,281.98, 1,084,585,781.01 and 428,704,843.41 is: 591,614,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,929,281.98 : 1,084,585,781.01 = 428,704,843.41 : x
  2. Step 2: Convert to fraction form
    785,929,281.98/1,084,585,781.01 = 428,704,843.41/x
  3. Step 3: Cross multiply
    785,929,281.98x = 1,084,585,781.01 × 428,704,843.41
  4. Step 4: Simplify right side
    785,929,281.98x = 464,967,177,412,604,608
  5. Step 5: Solve for x
    x = 464,967,177,412,604,608/785,929,281.98
  6. Step 6: Final answer
    x = 591,614,523.18

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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.