Home / 900,793,388.03-1,351,393,825.39-486,261,311.80

Finding the Fourth Proportional to 900,793,388.03, 1,351,393,825.39 and 486,261,311.80

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Solution

The fourth proportional to 900,793,388.03, 1,351,393,825.39 and 486,261,311.80 is: 729,501,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,793,388.03 : 1,351,393,825.39 = 486,261,311.80 : x
  2. Step 2: Convert to fraction form
    900,793,388.03/1,351,393,825.39 = 486,261,311.80/x
  3. Step 3: Cross multiply
    900,793,388.03x = 1,351,393,825.39 × 486,261,311.80
  4. Step 4: Simplify right side
    900,793,388.03x = 657,130,534,286,670,080
  5. Step 5: Solve for x
    x = 657,130,534,286,670,080/900,793,388.03
  6. Step 6: Final answer
    x = 729,501,951.30

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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.