Home / 1,088,420,042.88-1,632,295,190.88-311,857,633.44

Finding the Fourth Proportional to 1,088,420,042.88, 1,632,295,190.88 and 311,857,633.44

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Solution

The fourth proportional to 1,088,420,042.88, 1,632,295,190.88 and 311,857,633.44 is: 467,690,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,420,042.88 : 1,632,295,190.88 = 311,857,633.44 : x
  2. Step 2: Convert to fraction form
    1,088,420,042.88/1,632,295,190.88 = 311,857,633.44/x
  3. Step 3: Cross multiply
    1,088,420,042.88x = 1,632,295,190.88 × 311,857,633.44
  4. Step 4: Simplify right side
    1,088,420,042.88x = 509,043,715,303,329,920
  5. Step 5: Solve for x
    x = 509,043,715,303,329,920/1,088,420,042.88
  6. Step 6: Final answer
    x = 467,690,501.14

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1.5x scale

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.