Home / 354,296,077.80-531,444,116.70-199,327,882.20

Finding the Fourth Proportional to 354,296,077.80, 531,444,116.70 and 199,327,882.20

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Solution

The fourth proportional to 354,296,077.80, 531,444,116.70 and 199,327,882.20 is: 298,991,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,296,077.80 : 531,444,116.70 = 199,327,882.20 : x
  2. Step 2: Convert to fraction form
    354,296,077.80/531,444,116.70 = 199,327,882.20/x
  3. Step 3: Cross multiply
    354,296,077.80x = 531,444,116.70 × 199,327,882.20
  4. Step 4: Simplify right side
    354,296,077.80x = 105,931,630,289,460,640
  5. Step 5: Solve for x
    x = 105,931,630,289,460,640/354,296,077.80
  6. Step 6: Final answer
    x = 298,991,823.30

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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.