Home / 465,443,820.60-698,165,730.90-206,384,047.80

Finding the Fourth Proportional to 465,443,820.60, 698,165,730.90 and 206,384,047.80

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Solution

The fourth proportional to 465,443,820.60, 698,165,730.90 and 206,384,047.80 is: 309,576,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,443,820.60 : 698,165,730.90 = 206,384,047.80 : x
  2. Step 2: Convert to fraction form
    465,443,820.60/698,165,730.90 = 206,384,047.80/x
  3. Step 3: Cross multiply
    465,443,820.60x = 698,165,730.90 × 206,384,047.80
  4. Step 4: Simplify right side
    465,443,820.60x = 144,090,269,578,387,536
  5. Step 5: Solve for x
    x = 144,090,269,578,387,536/465,443,820.60
  6. Step 6: Final answer
    x = 309,576,071.70

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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.