Home / 551,182,691.43-760,629,820.22-300,286,302.16

Finding the Fourth Proportional to 551,182,691.43, 760,629,820.22 and 300,286,302.16

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Solution

The fourth proportional to 551,182,691.43, 760,629,820.22 and 300,286,302.16 is: 414,393,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,182,691.43 : 760,629,820.22 = 300,286,302.16 : x
  2. Step 2: Convert to fraction form
    551,182,691.43/760,629,820.22 = 300,286,302.16/x
  3. Step 3: Cross multiply
    551,182,691.43x = 760,629,820.22 × 300,286,302.16
  4. Step 4: Simplify right side
    551,182,691.43x = 228,406,716,026,489,440
  5. Step 5: Solve for x
    x = 228,406,716,026,489,440/551,182,691.43
  6. Step 6: Final answer
    x = 414,393,847.23

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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.