Home / 10,812,306,643.40-16,202,172,769.78-9,633,997,399.40

Finding the Fourth Proportional to 10,812,306,643.40, 16,202,172,769.78 and 9,633,997,399.40

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Solution

The fourth proportional to 10,812,306,643.40, 16,202,172,769.78 and 9,633,997,399.40 is: 14,436,483,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812,306,643.40 : 16,202,172,769.78 = 9,633,997,399.40 : x
  2. Step 2: Convert to fraction form
    10,812,306,643.40/16,202,172,769.78 = 9,633,997,399.40/x
  3. Step 3: Cross multiply
    10,812,306,643.40x = 16,202,172,769.78 × 9,633,997,399.40
  4. Step 4: Simplify right side
    10,812,306,643.40x = 156,091,690,328,673,976,320
  5. Step 5: Solve for x
    x = 156,091,690,328,673,976,320/10,812,306,643.40
  6. Step 6: Final answer
    x = 14,436,483,858.32

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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.