Home / 1,200,511,845.90-1,800,767,768.85-996,438,501.90

Finding the Fourth Proportional to 1,200,511,845.90, 1,800,767,768.85 and 996,438,501.90

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Solution

The fourth proportional to 1,200,511,845.90, 1,800,767,768.85 and 996,438,501.90 is: 1,494,657,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,511,845.90 : 1,800,767,768.85 = 996,438,501.90 : x
  2. Step 2: Convert to fraction form
    1,200,511,845.90/1,800,767,768.85 = 996,438,501.90/x
  3. Step 3: Cross multiply
    1,200,511,845.90x = 1,800,767,768.85 × 996,438,501.90
  4. Step 4: Simplify right side
    1,200,511,845.90x = 1,794,354,337,862,699,264
  5. Step 5: Solve for x
    x = 1,794,354,337,862,699,264/1,200,511,845.90
  6. Step 6: Final answer
    x = 1,494,657,752.85

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1.5x scale

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.