Home / 1,000,288,017.12-1,500,295,817.94-263,296,205.18

Finding the Fourth Proportional to 1,000,288,017.12, 1,500,295,817.94 and 263,296,205.18

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Solution

The fourth proportional to 1,000,288,017.12, 1,500,295,817.94 and 263,296,205.18 is: 394,908,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,288,017.12 : 1,500,295,817.94 = 263,296,205.18 : x
  2. Step 2: Convert to fraction form
    1,000,288,017.12/1,500,295,817.94 = 263,296,205.18/x
  3. Step 3: Cross multiply
    1,000,288,017.12x = 1,500,295,817.94 × 263,296,205.18
  4. Step 4: Simplify right side
    1,000,288,017.12x = 395,022,195,511,026,176
  5. Step 5: Solve for x
    x = 395,022,195,511,026,176/1,000,288,017.12
  6. Step 6: Final answer
    x = 394,908,455.12

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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.