Home / 1,192,309,918.03-1,788,731,618.77-363,328,440.10

Finding the Fourth Proportional to 1,192,309,918.03, 1,788,731,618.77 and 363,328,440.10

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Solution

The fourth proportional to 1,192,309,918.03, 1,788,731,618.77 and 363,328,440.10 is: 545,073,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,309,918.03 : 1,788,731,618.77 = 363,328,440.10 : x
  2. Step 2: Convert to fraction form
    1,192,309,918.03/1,788,731,618.77 = 363,328,440.10/x
  3. Step 3: Cross multiply
    1,192,309,918.03x = 1,788,731,618.77 × 363,328,440.10
  4. Step 4: Simplify right side
    1,192,309,918.03x = 649,897,068,805,251,968
  5. Step 5: Solve for x
    x = 649,897,068,805,251,968/1,192,309,918.03
  6. Step 6: Final answer
    x = 545,073,943.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.