Home / 1,199,328,640,539.70-1,798,929,601,341.60-393,389,419,887.59

Finding the Fourth Proportional to 1,199,328,640,539.70, 1,798,929,601,341.60 and 393,389,419,887.59

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Solution

The fourth proportional to 1,199,328,640,539.70, 1,798,929,601,341.60 and 393,389,419,887.59 is: 590,063,347,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,328,640,539.70 : 1,798,929,601,341.60 = 393,389,419,887.59 : x
  2. Step 2: Convert to fraction form
    1,199,328,640,539.70/1,798,929,601,341.60 = 393,389,419,887.59/x
  3. Step 3: Cross multiply
    1,199,328,640,539.70x = 1,798,929,601,341.60 × 393,389,419,887.59
  4. Step 4: Simplify right side
    1,199,328,640,539.70x = 707,679,872,290,385,653,923,840
  5. Step 5: Solve for x
    x = 707,679,872,290,385,653,923,840/1,199,328,640,539.70
  6. Step 6: Final answer
    x = 590,063,347,417.38

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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.