Home / 13,229,640,391.86-19,847,366,330.04-3,912,661,970.10

Finding the Fourth Proportional to 13,229,640,391.86, 19,847,366,330.04 and 3,912,661,970.10

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Solution

The fourth proportional to 13,229,640,391.86, 19,847,366,330.04 and 3,912,661,970.10 is: 5,869,852,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229,640,391.86 : 19,847,366,330.04 = 3,912,661,970.10 : x
  2. Step 2: Convert to fraction form
    13,229,640,391.86/19,847,366,330.04 = 3,912,661,970.10/x
  3. Step 3: Cross multiply
    13,229,640,391.86x = 19,847,366,330.04 × 3,912,661,970.10
  4. Step 4: Simplify right side
    13,229,640,391.86x = 77,656,035,446,190,718,976
  5. Step 5: Solve for x
    x = 77,656,035,446,190,718,976/13,229,640,391.86
  6. Step 6: Final answer
    x = 5,869,852,327.50

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Double scale
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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.