Home / 13,196,728,160.92-18,211,356,823.50-7,175,233,480.60

Finding the Fourth Proportional to 13,196,728,160.92, 18,211,356,823.50 and 7,175,233,480.60

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Solution

The fourth proportional to 13,196,728,160.92, 18,211,356,823.50 and 7,175,233,480.60 is: 9,901,752,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,728,160.92 : 18,211,356,823.50 = 7,175,233,480.60 : x
  2. Step 2: Convert to fraction form
    13,196,728,160.92/18,211,356,823.50 = 7,175,233,480.60/x
  3. Step 3: Cross multiply
    13,196,728,160.92x = 18,211,356,823.50 × 7,175,233,480.60
  4. Step 4: Simplify right side
    13,196,728,160.92x = 130,670,737,207,130,472,448
  5. Step 5: Solve for x
    x = 130,670,737,207,130,472,448/13,196,728,160.92
  6. Step 6: Final answer
    x = 9,901,752,586.99

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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.