Home / 495,226,465.80-741,076,101.90-431,233,096.20

Finding the Fourth Proportional to 495,226,465.80, 741,076,101.90 and 431,233,096.20

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Solution

The fourth proportional to 495,226,465.80, 741,076,101.90 and 431,233,096.20 is: 645,313,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,226,465.80 : 741,076,101.90 = 431,233,096.20 : x
  2. Step 2: Convert to fraction form
    495,226,465.80/741,076,101.90 = 431,233,096.20/x
  3. Step 3: Cross multiply
    495,226,465.80x = 741,076,101.90 × 431,233,096.20
  4. Step 4: Simplify right side
    495,226,465.80x = 319,576,541,942,163,712
  5. Step 5: Solve for x
    x = 319,576,541,942,163,712/495,226,465.80
  6. Step 6: Final answer
    x = 645,313,940.21

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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.