Home / 854,865,907.20-1,282,298,860.80-582,768,115.20

Finding the Fourth Proportional to 854,865,907.20, 1,282,298,860.80 and 582,768,115.20

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Solution

The fourth proportional to 854,865,907.20, 1,282,298,860.80 and 582,768,115.20 is: 874,152,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,865,907.20 : 1,282,298,860.80 = 582,768,115.20 : x
  2. Step 2: Convert to fraction form
    854,865,907.20/1,282,298,860.80 = 582,768,115.20/x
  3. Step 3: Cross multiply
    854,865,907.20x = 1,282,298,860.80 × 582,768,115.20
  4. Step 4: Simplify right side
    854,865,907.20x = 747,282,890,231,523,200
  5. Step 5: Solve for x
    x = 747,282,890,231,523,200/854,865,907.20
  6. Step 6: Final answer
    x = 874,152,172.80

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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.