Home / 620,136,066.40-930,204,099.60-533,971,765.60

Finding the Fourth Proportional to 620,136,066.40, 930,204,099.60 and 533,971,765.60

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Solution

The fourth proportional to 620,136,066.40, 930,204,099.60 and 533,971,765.60 is: 800,957,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,136,066.40 : 930,204,099.60 = 533,971,765.60 : x
  2. Step 2: Convert to fraction form
    620,136,066.40/930,204,099.60 = 533,971,765.60/x
  3. Step 3: Cross multiply
    620,136,066.40x = 930,204,099.60 × 533,971,765.60
  4. Step 4: Simplify right side
    620,136,066.40x = 496,702,725,431,770,304
  5. Step 5: Solve for x
    x = 496,702,725,431,770,304/620,136,066.40
  6. Step 6: Final answer
    x = 800,957,648.40

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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.