Home / 470,439,844.59-649,207,523.76-261,591,503.19

Finding the Fourth Proportional to 470,439,844.59, 649,207,523.76 and 261,591,503.19

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Solution

The fourth proportional to 470,439,844.59, 649,207,523.76 and 261,591,503.19 is: 360,996,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,439,844.59 : 649,207,523.76 = 261,591,503.19 : x
  2. Step 2: Convert to fraction form
    470,439,844.59/649,207,523.76 = 261,591,503.19/x
  3. Step 3: Cross multiply
    470,439,844.59x = 649,207,523.76 × 261,591,503.19
  4. Step 4: Simplify right side
    470,439,844.59x = 169,827,172,022,636,032
  5. Step 5: Solve for x
    x = 169,827,172,022,636,032/470,439,844.59
  6. Step 6: Final answer
    x = 360,996,573.69

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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.