Home / 505,512,003.30-708,672,319.50-505,512,003.30

Finding the Fourth Proportional to 505,512,003.30, 708,672,319.50 and 505,512,003.30

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Solution

The fourth proportional to 505,512,003.30, 708,672,319.50 and 505,512,003.30 is: 708,672,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,512,003.30 : 708,672,319.50 = 505,512,003.30 : x
  2. Step 2: Convert to fraction form
    505,512,003.30/708,672,319.50 = 505,512,003.30/x
  3. Step 3: Cross multiply
    505,512,003.30x = 708,672,319.50 × 505,512,003.30
  4. Step 4: Simplify right side
    505,512,003.30x = 358,242,363,913,702,656
  5. Step 5: Solve for x
    x = 358,242,363,913,702,656/505,512,003.30
  6. Step 6: Final answer
    x = 708,672,319.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.