Home / 199,665,972,278.40-275,378,378,520-175,528,384,475.52

Finding the Fourth Proportional to 199,665,972,278.40, 275,378,378,520 and 175,528,384,475.52

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Solution

The fourth proportional to 199,665,972,278.40, 275,378,378,520 and 175,528,384,475.52 is: 242,087,929,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,665,972,278.40 : 275,378,378,520 = 175,528,384,475.52 : x
  2. Step 2: Convert to fraction form
    199,665,972,278.40/275,378,378,520 = 175,528,384,475.52/x
  3. Step 3: Cross multiply
    199,665,972,278.40x = 275,378,378,520 × 175,528,384,475.52
  4. Step 4: Simplify right side
    199,665,972,278.40x = 48,336,721,901,103,838,396,416
  5. Step 5: Solve for x
    x = 48,336,721,901,103,838,396,416/199,665,972,278.40
  6. Step 6: Final answer
    x = 242,087,929,903.78

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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.