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Finding the Fourth Proportional to 512,771,700.66, 769,158,513.45 and 124,594,859.58

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Solution

The fourth proportional to 512,771,700.66, 769,158,513.45 and 124,594,859.58 is: 186,892,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,771,700.66 : 769,158,513.45 = 124,594,859.58 : x
  2. Step 2: Convert to fraction form
    512,771,700.66/769,158,513.45 = 124,594,859.58/x
  3. Step 3: Cross multiply
    512,771,700.66x = 769,158,513.45 × 124,594,859.58
  4. Step 4: Simplify right side
    512,771,700.66x = 95,833,196,978,064,288
  5. Step 5: Solve for x
    x = 95,833,196,978,064,288/512,771,700.66
  6. Step 6: Final answer
    x = 186,892,523.23

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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.