Home / 199,302,200.70-298,953,301.05-191,649,450.30

Finding the Fourth Proportional to 199,302,200.70, 298,953,301.05 and 191,649,450.30

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Solution

The fourth proportional to 199,302,200.70, 298,953,301.05 and 191,649,450.30 is: 287,474,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,200.70 : 298,953,301.05 = 191,649,450.30 : x
  2. Step 2: Convert to fraction form
    199,302,200.70/298,953,301.05 = 191,649,450.30/x
  3. Step 3: Cross multiply
    199,302,200.70x = 298,953,301.05 × 191,649,450.30
  4. Step 4: Simplify right side
    199,302,200.70x = 57,294,235,811,602,920
  5. Step 5: Solve for x
    x = 57,294,235,811,602,920/199,302,200.70
  6. Step 6: Final answer
    x = 287,474,175.45

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1.5x scale

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.