Home / 1,292,988,479.26-1,784,324,033.11-698,272,906.34

Finding the Fourth Proportional to 1,292,988,479.26, 1,784,324,033.11 and 698,272,906.34

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Solution

The fourth proportional to 1,292,988,479.26, 1,784,324,033.11 and 698,272,906.34 is: 963,616,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,988,479.26 : 1,784,324,033.11 = 698,272,906.34 : x
  2. Step 2: Convert to fraction form
    1,292,988,479.26/1,784,324,033.11 = 698,272,906.34/x
  3. Step 3: Cross multiply
    1,292,988,479.26x = 1,784,324,033.11 × 698,272,906.34
  4. Step 4: Simplify right side
    1,292,988,479.26x = 1,245,945,128,452,029,952
  5. Step 5: Solve for x
    x = 1,245,945,128,452,029,952/1,292,988,479.26
  6. Step 6: Final answer
    x = 963,616,573.88

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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.