Home / 1,076,898,836.57-1,486,234,648.41-631,236,638.52

Finding the Fourth Proportional to 1,076,898,836.57, 1,486,234,648.41 and 631,236,638.52

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Solution

The fourth proportional to 1,076,898,836.57, 1,486,234,648.41 and 631,236,638.52 is: 871,173,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,898,836.57 : 1,486,234,648.41 = 631,236,638.52 : x
  2. Step 2: Convert to fraction form
    1,076,898,836.57/1,486,234,648.41 = 631,236,638.52/x
  3. Step 3: Cross multiply
    1,076,898,836.57x = 1,486,234,648.41 × 631,236,638.52
  4. Step 4: Simplify right side
    1,076,898,836.57x = 938,165,763,511,883,648
  5. Step 5: Solve for x
    x = 938,165,763,511,883,648/1,076,898,836.57
  6. Step 6: Final answer
    x = 871,173,532.42

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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.