Home / 13,269,316,908.45-18,311,536,035.85-7,247,820,506.07

Finding the Fourth Proportional to 13,269,316,908.45, 18,311,536,035.85 and 7,247,820,506.07

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Solution

The fourth proportional to 13,269,316,908.45, 18,311,536,035.85 and 7,247,820,506.07 is: 10,001,926,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,316,908.45 : 18,311,536,035.85 = 7,247,820,506.07 : x
  2. Step 2: Convert to fraction form
    13,269,316,908.45/18,311,536,035.85 = 7,247,820,506.07/x
  3. Step 3: Cross multiply
    13,269,316,908.45x = 18,311,536,035.85 × 7,247,820,506.07
  4. Step 4: Simplify right side
    13,269,316,908.45x = 132,718,726,378,284,449,792
  5. Step 5: Solve for x
    x = 132,718,726,378,284,449,792/13,269,316,908.45
  6. Step 6: Final answer
    x = 10,001,926,044.42

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1.5x scale

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.