Home / 2,189,531,999.83-3,021,397,296.07-1,285,324,648.70

Finding the Fourth Proportional to 2,189,531,999.83, 3,021,397,296.07 and 1,285,324,648.70

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Solution

The fourth proportional to 2,189,531,999.83, 3,021,397,296.07 and 1,285,324,648.70 is: 1,773,655,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,531,999.83 : 3,021,397,296.07 = 1,285,324,648.70 : x
  2. Step 2: Convert to fraction form
    2,189,531,999.83/3,021,397,296.07 = 1,285,324,648.70/x
  3. Step 3: Cross multiply
    2,189,531,999.83x = 3,021,397,296.07 × 1,285,324,648.70
  4. Step 4: Simplify right side
    2,189,531,999.83x = 3,883,476,418,154,302,976
  5. Step 5: Solve for x
    x = 3,883,476,418,154,302,976/2,189,531,999.83
  6. Step 6: Final answer
    x = 1,773,655,931.25

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1.5x scale

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.