Home / 538,943,999.40-808,415,999.10-294,055,986.60

Finding the Fourth Proportional to 538,943,999.40, 808,415,999.10 and 294,055,986.60

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Solution

The fourth proportional to 538,943,999.40, 808,415,999.10 and 294,055,986.60 is: 441,083,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,943,999.40 : 808,415,999.10 = 294,055,986.60 : x
  2. Step 2: Convert to fraction form
    538,943,999.40/808,415,999.10 = 294,055,986.60/x
  3. Step 3: Cross multiply
    538,943,999.40x = 808,415,999.10 × 294,055,986.60
  4. Step 4: Simplify right side
    538,943,999.40x = 237,719,564,198,575,232
  5. Step 5: Solve for x
    x = 237,719,564,198,575,232/538,943,999.40
  6. Step 6: Final answer
    x = 441,083,979.90

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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.