Home / 479,522,510.10-718,968,837.15-188,214,110.10

Finding the Fourth Proportional to 479,522,510.10, 718,968,837.15 and 188,214,110.10

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Solution

The fourth proportional to 479,522,510.10, 718,968,837.15 and 188,214,110.10 is: 282,197,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,522,510.10 : 718,968,837.15 = 188,214,110.10 : x
  2. Step 2: Convert to fraction form
    479,522,510.10/718,968,837.15 = 188,214,110.10/x
  3. Step 3: Cross multiply
    479,522,510.10x = 718,968,837.15 × 188,214,110.10
  4. Step 4: Simplify right side
    479,522,510.10x = 135,320,079,873,819,056
  5. Step 5: Solve for x
    x = 135,320,079,873,819,056/479,522,510.10
  6. Step 6: Final answer
    x = 282,197,554.91

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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.