Home / 374,014,043.20-516,114,784.20-215,218,536.28

Finding the Fourth Proportional to 374,014,043.20, 516,114,784.20 and 215,218,536.28

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Solution

The fourth proportional to 374,014,043.20, 516,114,784.20 and 215,218,536.28 is: 296,987,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,014,043.20 : 516,114,784.20 = 215,218,536.28 : x
  2. Step 2: Convert to fraction form
    374,014,043.20/516,114,784.20 = 215,218,536.28/x
  3. Step 3: Cross multiply
    374,014,043.20x = 516,114,784.20 × 215,218,536.28
  4. Step 4: Simplify right side
    374,014,043.20x = 111,077,468,407,992,064
  5. Step 5: Solve for x
    x = 111,077,468,407,992,064/374,014,043.20
  6. Step 6: Final answer
    x = 296,987,427.15

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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.