Home / 1,255,986,921.63-1,733,230,272.91-691,466,167.45

Finding the Fourth Proportional to 1,255,986,921.63, 1,733,230,272.91 and 691,466,167.45

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Solution

The fourth proportional to 1,255,986,921.63, 1,733,230,272.91 and 691,466,167.45 is: 954,205,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,986,921.63 : 1,733,230,272.91 = 691,466,167.45 : x
  2. Step 2: Convert to fraction form
    1,255,986,921.63/1,733,230,272.91 = 691,466,167.45/x
  3. Step 3: Cross multiply
    1,255,986,921.63x = 1,733,230,272.91 × 691,466,167.45
  4. Step 4: Simplify right side
    1,255,986,921.63x = 1,198,470,094,117,395,456
  5. Step 5: Solve for x
    x = 1,198,470,094,117,395,456/1,255,986,921.63
  6. Step 6: Final answer
    x = 954,205,870.68

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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.