Home / 575,308,490.76-863,576,845.20-247,945,558.68

Finding the Fourth Proportional to 575,308,490.76, 863,576,845.20 and 247,945,558.68

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Solution

The fourth proportional to 575,308,490.76, 863,576,845.20 and 247,945,558.68 is: 372,183,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,308,490.76 : 863,576,845.20 = 247,945,558.68 : x
  2. Step 2: Convert to fraction form
    575,308,490.76/863,576,845.20 = 247,945,558.68/x
  3. Step 3: Cross multiply
    575,308,490.76x = 863,576,845.20 × 247,945,558.68
  4. Step 4: Simplify right side
    575,308,490.76x = 214,120,043,346,225,888
  5. Step 5: Solve for x
    x = 214,120,043,346,225,888/575,308,490.76
  6. Step 6: Final answer
    x = 372,183,005.79

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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.