Home / 398,977,365.60-598,466,048.40-327,232,830.60

Finding the Fourth Proportional to 398,977,365.60, 598,466,048.40 and 327,232,830.60

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Solution

The fourth proportional to 398,977,365.60, 598,466,048.40 and 327,232,830.60 is: 490,849,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,977,365.60 : 598,466,048.40 = 327,232,830.60 : x
  2. Step 2: Convert to fraction form
    398,977,365.60/598,466,048.40 = 327,232,830.60/x
  3. Step 3: Cross multiply
    398,977,365.60x = 598,466,048.40 × 327,232,830.60
  4. Step 4: Simplify right side
    398,977,365.60x = 195,837,739,035,928,608
  5. Step 5: Solve for x
    x = 195,837,739,035,928,608/398,977,365.60
  6. Step 6: Final answer
    x = 490,849,245.90

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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.