Home / 465,443,814.60-698,165,721.90-206,384,041.80

Finding the Fourth Proportional to 465,443,814.60, 698,165,721.90 and 206,384,041.80

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Solution

The fourth proportional to 465,443,814.60, 698,165,721.90 and 206,384,041.80 is: 309,576,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,443,814.60 : 698,165,721.90 = 206,384,041.80 : x
  2. Step 2: Convert to fraction form
    465,443,814.60/698,165,721.90 = 206,384,041.80/x
  3. Step 3: Cross multiply
    465,443,814.60x = 698,165,721.90 × 206,384,041.80
  4. Step 4: Simplify right side
    465,443,814.60x = 144,090,263,531,936,784
  5. Step 5: Solve for x
    x = 144,090,263,531,936,784/465,443,814.60
  6. Step 6: Final answer
    x = 309,576,062.70

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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.