Home / 943,533,660.22-1,302,080,383.98-520,138,020.07

Finding the Fourth Proportional to 943,533,660.22, 1,302,080,383.98 and 520,138,020.07

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Solution

The fourth proportional to 943,533,660.22, 1,302,080,383.98 and 520,138,020.07 is: 717,792,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,533,660.22 : 1,302,080,383.98 = 520,138,020.07 : x
  2. Step 2: Convert to fraction form
    943,533,660.22/1,302,080,383.98 = 520,138,020.07/x
  3. Step 3: Cross multiply
    943,533,660.22x = 1,302,080,383.98 × 520,138,020.07
  4. Step 4: Simplify right side
    943,533,660.22x = 677,261,512,891,733,632
  5. Step 5: Solve for x
    x = 677,261,512,891,733,632/943,533,660.22
  6. Step 6: Final answer
    x = 717,792,635.75

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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.