Home / 519,775,049.39-779,137,941.94-325,822,667.13

Finding the Fourth Proportional to 519,775,049.39, 779,137,941.94 and 325,822,667.13

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Solution

The fourth proportional to 519,775,049.39, 779,137,941.94 and 325,822,667.13 is: 488,405,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,775,049.39 : 779,137,941.94 = 325,822,667.13 : x
  2. Step 2: Convert to fraction form
    519,775,049.39/779,137,941.94 = 325,822,667.13/x
  3. Step 3: Cross multiply
    519,775,049.39x = 779,137,941.94 × 325,822,667.13
  4. Step 4: Simplify right side
    519,775,049.39x = 253,860,802,304,255,328
  5. Step 5: Solve for x
    x = 253,860,802,304,255,328/519,775,049.39
  6. Step 6: Final answer
    x = 488,405,133.34

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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.