Home / 1,015,464,729.40-1,401,542,296.04-658,674,672.89

Finding the Fourth Proportional to 1,015,464,729.40, 1,401,542,296.04 and 658,674,672.89

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Solution

The fourth proportional to 1,015,464,729.40, 1,401,542,296.04 and 658,674,672.89 is: 909,101,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,464,729.40 : 1,401,542,296.04 = 658,674,672.89 : x
  2. Step 2: Convert to fraction form
    1,015,464,729.40/1,401,542,296.04 = 658,674,672.89/x
  3. Step 3: Cross multiply
    1,015,464,729.40x = 1,401,542,296.04 × 658,674,672.89
  4. Step 4: Simplify right side
    1,015,464,729.40x = 923,160,413,380,285,568
  5. Step 5: Solve for x
    x = 923,160,413,380,285,568/1,015,464,729.40
  6. Step 6: Final answer
    x = 909,101,406.14

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1.5x scale

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.