Home / 513,216,002.30-769,824,003.45-513,216,002.30

Finding the Fourth Proportional to 513,216,002.30, 769,824,003.45 and 513,216,002.30

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Solution

The fourth proportional to 513,216,002.30, 769,824,003.45 and 513,216,002.30 is: 769,824,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,216,002.30 : 769,824,003.45 = 513,216,002.30 : x
  2. Step 2: Convert to fraction form
    513,216,002.30/769,824,003.45 = 513,216,002.30/x
  3. Step 3: Cross multiply
    513,216,002.30x = 769,824,003.45 × 513,216,002.30
  4. Step 4: Simplify right side
    513,216,002.30x = 395,085,997,525,190,464
  5. Step 5: Solve for x
    x = 395,085,997,525,190,464/513,216,002.30
  6. Step 6: Final answer
    x = 769,824,003.45

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Double scale
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1.5x scale

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.