Home / 1,236,889,702.85-1,856,219,735.63-449,941,834.53

Finding the Fourth Proportional to 1,236,889,702.85, 1,856,219,735.63 and 449,941,834.53

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Solution

The fourth proportional to 1,236,889,702.85, 1,856,219,735.63 and 449,941,834.53 is: 675,234,753.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,889,702.85 : 1,856,219,735.63 = 449,941,834.53 : x
  2. Step 2: Convert to fraction form
    1,236,889,702.85/1,856,219,735.63 = 449,941,834.53/x
  3. Step 3: Cross multiply
    1,236,889,702.85x = 1,856,219,735.63 × 449,941,834.53
  4. Step 4: Simplify right side
    1,236,889,702.85x = 835,190,913,141,278,592
  5. Step 5: Solve for x
    x = 835,190,913,141,278,592/1,236,889,702.85
  6. Step 6: Final answer
    x = 675,234,753.12

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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.