Home / 439,972,603.20-659,958,904.80-167,307,940.80

Finding the Fourth Proportional to 439,972,603.20, 659,958,904.80 and 167,307,940.80

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Solution

The fourth proportional to 439,972,603.20, 659,958,904.80 and 167,307,940.80 is: 250,961,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,972,603.20 : 659,958,904.80 = 167,307,940.80 : x
  2. Step 2: Convert to fraction form
    439,972,603.20/659,958,904.80 = 167,307,940.80/x
  3. Step 3: Cross multiply
    439,972,603.20x = 659,958,904.80 × 167,307,940.80
  4. Step 4: Simplify right side
    439,972,603.20x = 110,416,365,374,711,232
  5. Step 5: Solve for x
    x = 110,416,365,374,711,232/439,972,603.20
  6. Step 6: Final answer
    x = 250,961,911.20

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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.