Home / 374,483,184.89-516,825,694.01-215,718,794.69

Finding the Fourth Proportional to 374,483,184.89, 516,825,694.01 and 215,718,794.69

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Solution

The fourth proportional to 374,483,184.89, 516,825,694.01 and 215,718,794.69 is: 297,714,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,483,184.89 : 516,825,694.01 = 215,718,794.69 : x
  2. Step 2: Convert to fraction form
    374,483,184.89/516,825,694.01 = 215,718,794.69/x
  3. Step 3: Cross multiply
    374,483,184.89x = 516,825,694.01 × 215,718,794.69
  4. Step 4: Simplify right side
    374,483,184.89x = 111,489,015,776,659,952
  5. Step 5: Solve for x
    x = 111,489,015,776,659,952/374,483,184.89
  6. Step 6: Final answer
    x = 297,714,344.13

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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.