Home / 452,709,511.20-679,064,266.80-161,586,131.40

Finding the Fourth Proportional to 452,709,511.20, 679,064,266.80 and 161,586,131.40

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Solution

The fourth proportional to 452,709,511.20, 679,064,266.80 and 161,586,131.40 is: 242,379,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,709,511.20 : 679,064,266.80 = 161,586,131.40 : x
  2. Step 2: Convert to fraction form
    452,709,511.20/679,064,266.80 = 161,586,131.40/x
  3. Step 3: Cross multiply
    452,709,511.20x = 679,064,266.80 × 161,586,131.40
  4. Step 4: Simplify right side
    452,709,511.20x = 109,727,367,844,189,456
  5. Step 5: Solve for x
    x = 109,727,367,844,189,456/452,709,511.20
  6. Step 6: Final answer
    x = 242,379,197.10

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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.