Home / 481,539,127.40-664,564,979.76-272,732,415.56

Finding the Fourth Proportional to 481,539,127.40, 664,564,979.76 and 272,732,415.56

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Solution

The fourth proportional to 481,539,127.40, 664,564,979.76 and 272,732,415.56 is: 376,393,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,539,127.40 : 664,564,979.76 = 272,732,415.56 : x
  2. Step 2: Convert to fraction form
    481,539,127.40/664,564,979.76 = 272,732,415.56/x
  3. Step 3: Cross multiply
    481,539,127.40x = 664,564,979.76 × 272,732,415.56
  4. Step 4: Simplify right side
    481,539,127.40x = 181,248,412,226,527,296
  5. Step 5: Solve for x
    x = 181,248,412,226,527,296/481,539,127.40
  6. Step 6: Final answer
    x = 376,393,945.82

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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.