Home / 374,544,007.20-561,816,010.80-193,145,479.20

Finding the Fourth Proportional to 374,544,007.20, 561,816,010.80 and 193,145,479.20

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Solution

The fourth proportional to 374,544,007.20, 561,816,010.80 and 193,145,479.20 is: 289,718,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,544,007.20 : 561,816,010.80 = 193,145,479.20 : x
  2. Step 2: Convert to fraction form
    374,544,007.20/561,816,010.80 = 193,145,479.20/x
  3. Step 3: Cross multiply
    374,544,007.20x = 561,816,010.80 × 193,145,479.20
  4. Step 4: Simplify right side
    374,544,007.20x = 108,512,222,628,198,352
  5. Step 5: Solve for x
    x = 108,512,222,628,198,352/374,544,007.20
  6. Step 6: Final answer
    x = 289,718,218.80

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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.