Home / 620,136,065.40-930,204,098.10-533,971,764.60

Finding the Fourth Proportional to 620,136,065.40, 930,204,098.10 and 533,971,764.60

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Solution

The fourth proportional to 620,136,065.40, 930,204,098.10 and 533,971,764.60 is: 800,957,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,136,065.40 : 930,204,098.10 = 533,971,764.60 : x
  2. Step 2: Convert to fraction form
    620,136,065.40/930,204,098.10 = 533,971,764.60/x
  3. Step 3: Cross multiply
    620,136,065.40x = 930,204,098.10 × 533,971,764.60
  4. Step 4: Simplify right side
    620,136,065.40x = 496,702,723,700,608,512
  5. Step 5: Solve for x
    x = 496,702,723,700,608,512/620,136,065.40
  6. Step 6: Final answer
    x = 800,957,646.90

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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.