Home / 783,000,868.70-1,080,276,765.06-443,872,986.52

Finding the Fourth Proportional to 783,000,868.70, 1,080,276,765.06 and 443,872,986.52

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Solution

The fourth proportional to 783,000,868.70, 1,080,276,765.06 and 443,872,986.52 is: 612,394,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,000,868.70 : 1,080,276,765.06 = 443,872,986.52 : x
  2. Step 2: Convert to fraction form
    783,000,868.70/1,080,276,765.06 = 443,872,986.52/x
  3. Step 3: Cross multiply
    783,000,868.70x = 1,080,276,765.06 × 443,872,986.52
  4. Step 4: Simplify right side
    783,000,868.70x = 479,505,673,972,569,024
  5. Step 5: Solve for x
    x = 479,505,673,972,569,024/783,000,868.70
  6. Step 6: Final answer
    x = 612,394,817.35

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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.