Home / 1,263,476,762.88-1,743,565,182.72-698,982,493.44

Finding the Fourth Proportional to 1,263,476,762.88, 1,743,565,182.72 and 698,982,493.44

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Solution

The fourth proportional to 1,263,476,762.88, 1,743,565,182.72 and 698,982,493.44 is: 964,577,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,476,762.88 : 1,743,565,182.72 = 698,982,493.44 : x
  2. Step 2: Convert to fraction form
    1,263,476,762.88/1,743,565,182.72 = 698,982,493.44/x
  3. Step 3: Cross multiply
    1,263,476,762.88x = 1,743,565,182.72 × 698,982,493.44
  4. Step 4: Simplify right side
    1,263,476,762.88x = 1,218,721,538,892,794,880
  5. Step 5: Solve for x
    x = 1,218,721,538,892,794,880/1,263,476,762.88
  6. Step 6: Final answer
    x = 964,577,722.91

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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.