Home / 204,503,138,015.70-306,754,707,023.55-154,913,315,423.70

Finding the Fourth Proportional to 204,503,138,015.70, 306,754,707,023.55 and 154,913,315,423.70

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Solution

The fourth proportional to 204,503,138,015.70, 306,754,707,023.55 and 154,913,315,423.70 is: 232,369,973,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,503,138,015.70 : 306,754,707,023.55 = 154,913,315,423.70 : x
  2. Step 2: Convert to fraction form
    204,503,138,015.70/306,754,707,023.55 = 154,913,315,423.70/x
  3. Step 3: Cross multiply
    204,503,138,015.70x = 306,754,707,023.55 × 154,913,315,423.70
  4. Step 4: Simplify right side
    204,503,138,015.70x = 47,520,388,686,843,882,766,336
  5. Step 5: Solve for x
    x = 47,520,388,686,843,882,766,336/204,503,138,015.70
  6. Step 6: Final answer
    x = 232,369,973,135.55

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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.