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Finding the Fourth Proportional to 635,752,489.35, 877,411,158.35 and 353,523,069.93

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Solution

The fourth proportional to 635,752,489.35, 877,411,158.35 and 353,523,069.93 is: 487,902,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,752,489.35 : 877,411,158.35 = 353,523,069.93 : x
  2. Step 2: Convert to fraction form
    635,752,489.35/877,411,158.35 = 353,523,069.93/x
  3. Step 3: Cross multiply
    635,752,489.35x = 877,411,158.35 × 353,523,069.93
  4. Step 4: Simplify right side
    635,752,489.35x = 310,185,086,288,961,728
  5. Step 5: Solve for x
    x = 310,185,086,288,961,728/635,752,489.35
  6. Step 6: Final answer
    x = 487,902,275.63

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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.