Home / 686,682,524.40-1,030,023,786.60-469,004,290.80

Finding the Fourth Proportional to 686,682,524.40, 1,030,023,786.60 and 469,004,290.80

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Solution

The fourth proportional to 686,682,524.40, 1,030,023,786.60 and 469,004,290.80 is: 703,506,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,682,524.40 : 1,030,023,786.60 = 469,004,290.80 : x
  2. Step 2: Convert to fraction form
    686,682,524.40/1,030,023,786.60 = 469,004,290.80/x
  3. Step 3: Cross multiply
    686,682,524.40x = 1,030,023,786.60 × 469,004,290.80
  4. Step 4: Simplify right side
    686,682,524.40x = 483,085,575,541,463,552
  5. Step 5: Solve for x
    x = 483,085,575,541,463,552/686,682,524.40
  6. Step 6: Final answer
    x = 703,506,436.20

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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.