Home / 629,132,907.86-868,575,837.99-559,325,475.30

Finding the Fourth Proportional to 629,132,907.86, 868,575,837.99 and 559,325,475.30

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Solution

The fourth proportional to 629,132,907.86, 868,575,837.99 and 559,325,475.30 is: 772,200,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,132,907.86 : 868,575,837.99 = 559,325,475.30 : x
  2. Step 2: Convert to fraction form
    629,132,907.86/868,575,837.99 = 559,325,475.30/x
  3. Step 3: Cross multiply
    629,132,907.86x = 868,575,837.99 × 559,325,475.30
  4. Step 4: Simplify right side
    629,132,907.86x = 485,816,593,417,852,480
  5. Step 5: Solve for x
    x = 485,816,593,417,852,480/629,132,907.86
  6. Step 6: Final answer
    x = 772,200,257.45

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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.