Home / 386,714,338.04-533,678,677.07-217,198,448.66

Finding the Fourth Proportional to 386,714,338.04, 533,678,677.07 and 217,198,448.66

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Solution

The fourth proportional to 386,714,338.04, 533,678,677.07 and 217,198,448.66 is: 299,741,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,714,338.04 : 533,678,677.07 = 217,198,448.66 : x
  2. Step 2: Convert to fraction form
    386,714,338.04/533,678,677.07 = 217,198,448.66/x
  3. Step 3: Cross multiply
    386,714,338.04x = 533,678,677.07 × 217,198,448.66
  4. Step 4: Simplify right side
    386,714,338.04x = 115,914,180,738,770,736
  5. Step 5: Solve for x
    x = 115,914,180,738,770,736/386,714,338.04
  6. Step 6: Final answer
    x = 299,741,099.15

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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.