Home / 886,164,012.30-1,330,442,744.85-518,076,165.90

Finding the Fourth Proportional to 886,164,012.30, 1,330,442,744.85 and 518,076,165.90

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Solution

The fourth proportional to 886,164,012.30, 1,330,442,744.85 and 518,076,165.90 is: 777,813,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,164,012.30 : 1,330,442,744.85 = 518,076,165.90 : x
  2. Step 2: Convert to fraction form
    886,164,012.30/1,330,442,744.85 = 518,076,165.90/x
  3. Step 3: Cross multiply
    886,164,012.30x = 1,330,442,744.85 × 518,076,165.90
  4. Step 4: Simplify right side
    886,164,012.30x = 689,270,676,201,359,872
  5. Step 5: Solve for x
    x = 689,270,676,201,359,872/886,164,012.30
  6. Step 6: Final answer
    x = 777,813,888.44

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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.