Home / 576,295,880.76-795,288,572.20-311,977,865.24

Finding the Fourth Proportional to 576,295,880.76, 795,288,572.20 and 311,977,865.24

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Solution

The fourth proportional to 576,295,880.76, 795,288,572.20 and 311,977,865.24 is: 430,529,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,295,880.76 : 795,288,572.20 = 311,977,865.24 : x
  2. Step 2: Convert to fraction form
    576,295,880.76/795,288,572.20 = 311,977,865.24/x
  3. Step 3: Cross multiply
    576,295,880.76x = 795,288,572.20 × 311,977,865.24
  4. Step 4: Simplify right side
    576,295,880.76x = 248,112,431,004,119,456
  5. Step 5: Solve for x
    x = 248,112,431,004,119,456/576,295,880.76
  6. Step 6: Final answer
    x = 430,529,593.02

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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.