Home / 829,979,376.60-1,244,969,064.90-255,550,704.60

Finding the Fourth Proportional to 829,979,376.60, 1,244,969,064.90 and 255,550,704.60

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Solution

The fourth proportional to 829,979,376.60, 1,244,969,064.90 and 255,550,704.60 is: 383,326,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,979,376.60 : 1,244,969,064.90 = 255,550,704.60 : x
  2. Step 2: Convert to fraction form
    829,979,376.60/1,244,969,064.90 = 255,550,704.60/x
  3. Step 3: Cross multiply
    829,979,376.60x = 1,244,969,064.90 × 255,550,704.60
  4. Step 4: Simplify right side
    829,979,376.60x = 318,152,721,740,398,144
  5. Step 5: Solve for x
    x = 318,152,721,740,398,144/829,979,376.60
  6. Step 6: Final answer
    x = 383,326,056.90

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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.