Home / 265,715,628.80-398,573,443.20-223,389,305.60

Finding the Fourth Proportional to 265,715,628.80, 398,573,443.20 and 223,389,305.60

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Solution

The fourth proportional to 265,715,628.80, 398,573,443.20 and 223,389,305.60 is: 335,083,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,715,628.80 : 398,573,443.20 = 223,389,305.60 : x
  2. Step 2: Convert to fraction form
    265,715,628.80/398,573,443.20 = 223,389,305.60/x
  3. Step 3: Cross multiply
    265,715,628.80x = 398,573,443.20 × 223,389,305.60
  4. Step 4: Simplify right side
    265,715,628.80x = 89,037,044,707,049,040
  5. Step 5: Solve for x
    x = 89,037,044,707,049,040/265,715,628.80
  6. Step 6: Final answer
    x = 335,083,958.40

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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.