Home / 892,292,891,982.12-1,338,701,936,330.10-287,906,759,354.34

Finding the Fourth Proportional to 892,292,891,982.12, 1,338,701,936,330.10 and 287,906,759,354.34

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Solution

The fourth proportional to 892,292,891,982.12, 1,338,701,936,330.10 and 287,906,759,354.34 is: 431,944,868,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,292,891,982.12 : 1,338,701,936,330.10 = 287,906,759,354.34 : x
  2. Step 2: Convert to fraction form
    892,292,891,982.12/1,338,701,936,330.10 = 287,906,759,354.34/x
  3. Step 3: Cross multiply
    892,292,891,982.12x = 1,338,701,936,330.10 × 287,906,759,354.34
  4. Step 4: Simplify right side
    892,292,891,982.12x = 385,421,336,230,179,131,883,520
  5. Step 5: Solve for x
    x = 385,421,336,230,179,131,883,520/892,292,891,982.12
  6. Step 6: Final answer
    x = 431,944,868,880.46

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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.