Home / 383,573,999.20-575,444,979.60-153,485,269.60

Finding the Fourth Proportional to 383,573,999.20, 575,444,979.60 and 153,485,269.60

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Solution

The fourth proportional to 383,573,999.20, 575,444,979.60 and 153,485,269.60 is: 230,261,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,573,999.20 : 575,444,979.60 = 153,485,269.60 : x
  2. Step 2: Convert to fraction form
    383,573,999.20/575,444,979.60 = 153,485,269.60/x
  3. Step 3: Cross multiply
    383,573,999.20x = 575,444,979.60 × 153,485,269.60
  4. Step 4: Simplify right side
    383,573,999.20x = 88,322,327,833,872,496
  5. Step 5: Solve for x
    x = 88,322,327,833,872,496/383,573,999.20
  6. Step 6: Final answer
    x = 230,261,508.91

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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.