Home / 519,775,002.08-779,137,871.21-325,822,619.78

Finding the Fourth Proportional to 519,775,002.08, 779,137,871.21 and 325,822,619.78

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Solution

The fourth proportional to 519,775,002.08, 779,137,871.21 and 325,822,619.78 is: 488,405,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,775,002.08 : 779,137,871.21 = 325,822,619.78 : x
  2. Step 2: Convert to fraction form
    519,775,002.08/779,137,871.21 = 325,822,619.78/x
  3. Step 3: Cross multiply
    519,775,002.08x = 779,137,871.21 × 325,822,619.78
  4. Step 4: Simplify right side
    519,775,002.08x = 253,860,742,367,907,616
  5. Step 5: Solve for x
    x = 253,860,742,367,907,616/519,775,002.08
  6. Step 6: Final answer
    x = 488,405,062.48

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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.