Home / 414,292,005.56-571,720,151.40-228,653,015.78

Finding the Fourth Proportional to 414,292,005.56, 571,720,151.40 and 228,653,015.78

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Solution

The fourth proportional to 414,292,005.56, 571,720,151.40 and 228,653,015.78 is: 315,539,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,292,005.56 : 571,720,151.40 = 228,653,015.78 : x
  2. Step 2: Convert to fraction form
    414,292,005.56/571,720,151.40 = 228,653,015.78/x
  3. Step 3: Cross multiply
    414,292,005.56x = 571,720,151.40 × 228,653,015.78
  4. Step 4: Simplify right side
    414,292,005.56x = 130,725,536,799,808,192
  5. Step 5: Solve for x
    x = 130,725,536,799,808,192/414,292,005.56
  6. Step 6: Final answer
    x = 315,539,607.44

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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.