Home / 447,575,021.82-613,179,967.14-430,800,031.26

Finding the Fourth Proportional to 447,575,021.82, 613,179,967.14 and 430,800,031.26

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Solution

The fourth proportional to 447,575,021.82, 613,179,967.14 and 430,800,031.26 is: 590,198,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,575,021.82 : 613,179,967.14 = 430,800,031.26 : x
  2. Step 2: Convert to fraction form
    447,575,021.82/613,179,967.14 = 430,800,031.26/x
  3. Step 3: Cross multiply
    447,575,021.82x = 613,179,967.14 × 430,800,031.26
  4. Step 4: Simplify right side
    447,575,021.82x = 264,157,949,011,917,760
  5. Step 5: Solve for x
    x = 264,157,949,011,917,760/447,575,021.82
  6. Step 6: Final answer
    x = 590,198,148.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.