Home / 209,025,792,003.20-313,538,688,004.80-187,475,646,876.80

Finding the Fourth Proportional to 209,025,792,003.20, 313,538,688,004.80 and 187,475,646,876.80

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Solution

The fourth proportional to 209,025,792,003.20, 313,538,688,004.80 and 187,475,646,876.80 is: 281,213,470,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,025,792,003.20 : 313,538,688,004.80 = 187,475,646,876.80 : x
  2. Step 2: Convert to fraction form
    209,025,792,003.20/313,538,688,004.80 = 187,475,646,876.80/x
  3. Step 3: Cross multiply
    209,025,792,003.20x = 313,538,688,004.80 × 187,475,646,876.80
  4. Step 4: Simplify right side
    209,025,792,003.20x = 58,780,868,354,603,044,831,232
  5. Step 5: Solve for x
    x = 58,780,868,354,603,044,831,232/209,025,792,003.20
  6. Step 6: Final answer
    x = 281,213,470,315.20

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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.