Home / 481,539,128.40-664,564,981.14-272,732,416.56

Finding the Fourth Proportional to 481,539,128.40, 664,564,981.14 and 272,732,416.56

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Solution

The fourth proportional to 481,539,128.40, 664,564,981.14 and 272,732,416.56 is: 376,393,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,539,128.40 : 664,564,981.14 = 272,732,416.56 : x
  2. Step 2: Convert to fraction form
    481,539,128.40/664,564,981.14 = 272,732,416.56/x
  3. Step 3: Cross multiply
    481,539,128.40x = 664,564,981.14 × 272,732,416.56
  4. Step 4: Simplify right side
    481,539,128.40x = 181,248,413,267,463,008
  5. Step 5: Solve for x
    x = 181,248,413,267,463,008/481,539,128.40
  6. Step 6: Final answer
    x = 376,393,947.20

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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.