Home / 1,175,320,765,363.30-1,762,161,479,434.30-520,765,099,741.44

Finding the Fourth Proportional to 1,175,320,765,363.30, 1,762,161,479,434.30 and 520,765,099,741.44

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Solution

The fourth proportional to 1,175,320,765,363.30, 1,762,161,479,434.30 and 520,765,099,741.44 is: 780,784,468,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,320,765,363.30 : 1,762,161,479,434.30 = 520,765,099,741.44 : x
  2. Step 2: Convert to fraction form
    1,175,320,765,363.30/1,762,161,479,434.30 = 520,765,099,741.44/x
  3. Step 3: Cross multiply
    1,175,320,765,363.30x = 1,762,161,479,434.30 × 520,765,099,741.44
  4. Step 4: Simplify right side
    1,175,320,765,363.30x = 917,672,198,598,126,756,429,824
  5. Step 5: Solve for x
    x = 917,672,198,598,126,756,429,824/1,175,320,765,363.30
  6. Step 6: Final answer
    x = 780,784,468,071.97

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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.