Home / 274,752,256.80-412,128,385.20-194,130,688.80

Finding the Fourth Proportional to 274,752,256.80, 412,128,385.20 and 194,130,688.80

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Solution

The fourth proportional to 274,752,256.80, 412,128,385.20 and 194,130,688.80 is: 291,196,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,752,256.80 : 412,128,385.20 = 194,130,688.80 : x
  2. Step 2: Convert to fraction form
    274,752,256.80/412,128,385.20 = 194,130,688.80/x
  3. Step 3: Cross multiply
    274,752,256.80x = 412,128,385.20 × 194,130,688.80
  4. Step 4: Simplify right side
    274,752,256.80x = 80,006,767,292,907,728
  5. Step 5: Solve for x
    x = 80,006,767,292,907,728/274,752,256.80
  6. Step 6: Final answer
    x = 291,196,033.20

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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.