Home / 1,127,751,885.44-1,691,709,359.20-472,043,445.92

Finding the Fourth Proportional to 1,127,751,885.44, 1,691,709,359.20 and 472,043,445.92

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Solution

The fourth proportional to 1,127,751,885.44, 1,691,709,359.20 and 472,043,445.92 is: 708,099,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,751,885.44 : 1,691,709,359.20 = 472,043,445.92 : x
  2. Step 2: Convert to fraction form
    1,127,751,885.44/1,691,709,359.20 = 472,043,445.92/x
  3. Step 3: Cross multiply
    1,127,751,885.44x = 1,691,709,359.20 × 472,043,445.92
  4. Step 4: Simplify right side
    1,127,751,885.44x = 798,560,315,411,883,136
  5. Step 5: Solve for x
    x = 798,560,315,411,883,136/1,127,751,885.44
  6. Step 6: Final answer
    x = 708,099,295.35

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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.