Home / 481,539,125.40-664,564,977-272,732,413.56

Finding the Fourth Proportional to 481,539,125.40, 664,564,977 and 272,732,413.56

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Solution

The fourth proportional to 481,539,125.40, 664,564,977 and 272,732,413.56 is: 376,393,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,539,125.40 : 664,564,977 = 272,732,413.56 : x
  2. Step 2: Convert to fraction form
    481,539,125.40/664,564,977 = 272,732,413.56/x
  3. Step 3: Cross multiply
    481,539,125.40x = 664,564,977 × 272,732,413.56
  4. Step 4: Simplify right side
    481,539,125.40x = 181,248,410,144,655,904
  5. Step 5: Solve for x
    x = 181,248,410,144,655,904/481,539,125.40
  6. Step 6: Final answer
    x = 376,393,943.06

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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.