Home / 427,771,186.36-640,551,700.89-295,233,014.03

Finding the Fourth Proportional to 427,771,186.36, 640,551,700.89 and 295,233,014.03

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Solution

The fourth proportional to 427,771,186.36, 640,551,700.89 and 295,233,014.03 is: 442,086,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,771,186.36 : 640,551,700.89 = 295,233,014.03 : x
  2. Step 2: Convert to fraction form
    427,771,186.36/640,551,700.89 = 295,233,014.03/x
  3. Step 3: Cross multiply
    427,771,186.36x = 640,551,700.89 × 295,233,014.03
  4. Step 4: Simplify right side
    427,771,186.36x = 189,112,009,292,594,944
  5. Step 5: Solve for x
    x = 189,112,009,292,594,944/427,771,186.36
  6. Step 6: Final answer
    x = 442,086,833.62

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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.