Home / 528,858,598.80-793,287,898.20-321,929,907.60

Finding the Fourth Proportional to 528,858,598.80, 793,287,898.20 and 321,929,907.60

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Solution

The fourth proportional to 528,858,598.80, 793,287,898.20 and 321,929,907.60 is: 482,894,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,858,598.80 : 793,287,898.20 = 321,929,907.60 : x
  2. Step 2: Convert to fraction form
    528,858,598.80/793,287,898.20 = 321,929,907.60/x
  3. Step 3: Cross multiply
    528,858,598.80x = 793,287,898.20 × 321,929,907.60
  4. Step 4: Simplify right side
    528,858,598.80x = 255,383,099,767,724,256
  5. Step 5: Solve for x
    x = 255,383,099,767,724,256/528,858,598.80
  6. Step 6: Final answer
    x = 482,894,861.40

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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.