Home / 491,631,177.02-678,442,999.02-268,608,058.76

Finding the Fourth Proportional to 491,631,177.02, 678,442,999.02 and 268,608,058.76

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Solution

The fourth proportional to 491,631,177.02, 678,442,999.02 and 268,608,058.76 is: 370,674,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,631,177.02 : 678,442,999.02 = 268,608,058.76 : x
  2. Step 2: Convert to fraction form
    491,631,177.02/678,442,999.02 = 268,608,058.76/x
  3. Step 3: Cross multiply
    491,631,177.02x = 678,442,999.02 × 268,608,058.76
  4. Step 4: Simplify right side
    491,631,177.02x = 182,235,256,946,074,784
  5. Step 5: Solve for x
    x = 182,235,256,946,074,784/491,631,177.02
  6. Step 6: Final answer
    x = 370,674,736.40

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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.