Home / 484,860,801.80-727,291,202.70-339,458,544.20

Finding the Fourth Proportional to 484,860,801.80, 727,291,202.70 and 339,458,544.20

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Solution

The fourth proportional to 484,860,801.80, 727,291,202.70 and 339,458,544.20 is: 509,187,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,860,801.80 : 727,291,202.70 = 339,458,544.20 : x
  2. Step 2: Convert to fraction form
    484,860,801.80/727,291,202.70 = 339,458,544.20/x
  3. Step 3: Cross multiply
    484,860,801.80x = 727,291,202.70 × 339,458,544.20
  4. Step 4: Simplify right side
    484,860,801.80x = 246,885,212,878,009,120
  5. Step 5: Solve for x
    x = 246,885,212,878,009,120/484,860,801.80
  6. Step 6: Final answer
    x = 509,187,816.30

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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.