Home / 1,680,322,499.70-2,520,483,749.55-905,481,521.70

Finding the Fourth Proportional to 1,680,322,499.70, 2,520,483,749.55 and 905,481,521.70

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Solution

The fourth proportional to 1,680,322,499.70, 2,520,483,749.55 and 905,481,521.70 is: 1,358,222,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,322,499.70 : 2,520,483,749.55 = 905,481,521.70 : x
  2. Step 2: Convert to fraction form
    1,680,322,499.70/2,520,483,749.55 = 905,481,521.70/x
  3. Step 3: Cross multiply
    1,680,322,499.70x = 2,520,483,749.55 × 905,481,521.70
  4. Step 4: Simplify right side
    1,680,322,499.70x = 2,282,251,460,962,656,000
  5. Step 5: Solve for x
    x = 2,282,251,460,962,656,000/1,680,322,499.70
  6. Step 6: Final answer
    x = 1,358,222,282.55

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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.