Home / 579,575,998.40-869,363,997.60-522,245,105.60

Finding the Fourth Proportional to 579,575,998.40, 869,363,997.60 and 522,245,105.60

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Solution

The fourth proportional to 579,575,998.40, 869,363,997.60 and 522,245,105.60 is: 783,367,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,575,998.40 : 869,363,997.60 = 522,245,105.60 : x
  2. Step 2: Convert to fraction form
    579,575,998.40/869,363,997.60 = 522,245,105.60/x
  3. Step 3: Cross multiply
    579,575,998.40x = 869,363,997.60 × 522,245,105.60
  4. Step 4: Simplify right side
    579,575,998.40x = 454,021,092,731,450,176
  5. Step 5: Solve for x
    x = 454,021,092,731,450,176/579,575,998.40
  6. Step 6: Final answer
    x = 783,367,658.40

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Double scale
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Similar ratio
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1.5x scale

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.