Home / 852,988,209-1,279,530,175.59-239,524,605.06

Finding the Fourth Proportional to 852,988,209, 1,279,530,175.59 and 239,524,605.06

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Solution

The fourth proportional to 852,988,209, 1,279,530,175.59 and 239,524,605.06 is: 359,300,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,988,209 : 1,279,530,175.59 = 239,524,605.06 : x
  2. Step 2: Convert to fraction form
    852,988,209/1,279,530,175.59 = 239,524,605.06/x
  3. Step 3: Cross multiply
    852,988,209x = 1,279,530,175.59 × 239,524,605.06
  4. Step 4: Simplify right side
    852,988,209x = 306,478,959,970,547,200
  5. Step 5: Solve for x
    x = 306,478,959,970,547,200/852,988,209
  6. Step 6: Final answer
    x = 359,300,347.57

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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.