Home / 470,439,845.59-649,207,525.14-261,591,504.19

Finding the Fourth Proportional to 470,439,845.59, 649,207,525.14 and 261,591,504.19

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Solution

The fourth proportional to 470,439,845.59, 649,207,525.14 and 261,591,504.19 is: 360,996,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,439,845.59 : 649,207,525.14 = 261,591,504.19 : x
  2. Step 2: Convert to fraction form
    470,439,845.59/649,207,525.14 = 261,591,504.19/x
  3. Step 3: Cross multiply
    470,439,845.59x = 649,207,525.14 × 261,591,504.19
  4. Step 4: Simplify right side
    470,439,845.59x = 169,827,173,032,839,840
  5. Step 5: Solve for x
    x = 169,827,173,032,839,840/470,439,845.59
  6. Step 6: Final answer
    x = 360,996,575.07

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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.