Home / 1,008,220,099,399.40-1,391,347,929,116.20-545,247,137,917.52

Finding the Fourth Proportional to 1,008,220,099,399.40, 1,391,347,929,116.20 and 545,247,137,917.52

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Solution

The fourth proportional to 1,008,220,099,399.40, 1,391,347,929,116.20 and 545,247,137,917.52 is: 752,443,317,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,220,099,399.40 : 1,391,347,929,116.20 = 545,247,137,917.52 : x
  2. Step 2: Convert to fraction form
    1,008,220,099,399.40/1,391,347,929,116.20 = 545,247,137,917.52/x
  3. Step 3: Cross multiply
    1,008,220,099,399.40x = 1,391,347,929,116.20 × 545,247,137,917.52
  4. Step 4: Simplify right side
    1,008,220,099,399.40x = 758,628,476,198,076,507,226,112
  5. Step 5: Solve for x
    x = 758,628,476,198,076,507,226,112/1,008,220,099,399.40
  6. Step 6: Final answer
    x = 752,443,317,337.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.