Home / 782,855,290.12-1,080,344,570.48-460,997,299.48

Finding the Fourth Proportional to 782,855,290.12, 1,080,344,570.48 and 460,997,299.48

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Solution

The fourth proportional to 782,855,290.12, 1,080,344,570.48 and 460,997,299.48 is: 636,178,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,855,290.12 : 1,080,344,570.48 = 460,997,299.48 : x
  2. Step 2: Convert to fraction form
    782,855,290.12/1,080,344,570.48 = 460,997,299.48/x
  3. Step 3: Cross multiply
    782,855,290.12x = 1,080,344,570.48 × 460,997,299.48
  4. Step 4: Simplify right side
    782,855,290.12x = 498,035,929,499,160,576
  5. Step 5: Solve for x
    x = 498,035,929,499,160,576/782,855,290.12
  6. Step 6: Final answer
    x = 636,178,787.81

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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.