Home / 1,199,328,640,540.60-1,798,929,601,343.10-393,389,419,888.59

Finding the Fourth Proportional to 1,199,328,640,540.60, 1,798,929,601,343.10 and 393,389,419,888.59

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Solution

The fourth proportional to 1,199,328,640,540.60, 1,798,929,601,343.10 and 393,389,419,888.59 is: 590,063,347,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,328,640,540.60 : 1,798,929,601,343.10 = 393,389,419,888.59 : x
  2. Step 2: Convert to fraction form
    1,199,328,640,540.60/1,798,929,601,343.10 = 393,389,419,888.59/x
  3. Step 3: Cross multiply
    1,199,328,640,540.60x = 1,798,929,601,343.10 × 393,389,419,888.59
  4. Step 4: Simplify right side
    1,199,328,640,540.60x = 707,679,872,292,774,729,482,240
  5. Step 5: Solve for x
    x = 707,679,872,292,774,729,482,240/1,199,328,640,540.60
  6. Step 6: Final answer
    x = 590,063,347,418.93

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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.