Home / 635,485,475.43-877,207,845.56-477,172,927.80

Finding the Fourth Proportional to 635,485,475.43, 877,207,845.56 and 477,172,927.80

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Solution

The fourth proportional to 635,485,475.43, 877,207,845.56 and 477,172,927.80 is: 658,677,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,485,475.43 : 877,207,845.56 = 477,172,927.80 : x
  2. Step 2: Convert to fraction form
    635,485,475.43/877,207,845.56 = 477,172,927.80/x
  3. Step 3: Cross multiply
    635,485,475.43x = 877,207,845.56 × 477,172,927.80
  4. Step 4: Simplify right side
    635,485,475.43x = 418,579,835,952,609,536
  5. Step 5: Solve for x
    x = 418,579,835,952,609,536/635,485,475.43
  6. Step 6: Final answer
    x = 658,677,266.65

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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.