Home / 1,680,322,246.20-2,520,483,369.30-905,481,268.20

Finding the Fourth Proportional to 1,680,322,246.20, 2,520,483,369.30 and 905,481,268.20

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Solution

The fourth proportional to 1,680,322,246.20, 2,520,483,369.30 and 905,481,268.20 is: 1,358,221,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,322,246.20 : 2,520,483,369.30 = 905,481,268.20 : x
  2. Step 2: Convert to fraction form
    1,680,322,246.20/2,520,483,369.30 = 905,481,268.20/x
  3. Step 3: Cross multiply
    1,680,322,246.20x = 2,520,483,369.30 × 905,481,268.20
  4. Step 4: Simplify right side
    1,680,322,246.20x = 2,282,250,477,710,773,248
  5. Step 5: Solve for x
    x = 2,282,250,477,710,773,248/1,680,322,246.20
  6. Step 6: Final answer
    x = 1,358,221,902.30

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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.