Home / 217,735,512.40-326,390,692.20-194,777,261.20

Finding the Fourth Proportional to 217,735,512.40, 326,390,692.20 and 194,777,261.20

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Solution

The fourth proportional to 217,735,512.40, 326,390,692.20 and 194,777,261.20 is: 291,975,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735,512.40 : 326,390,692.20 = 194,777,261.20 : x
  2. Step 2: Convert to fraction form
    217,735,512.40/326,390,692.20 = 194,777,261.20/x
  3. Step 3: Cross multiply
    217,735,512.40x = 326,390,692.20 × 194,777,261.20
  4. Step 4: Simplify right side
    217,735,512.40x = 63,573,485,107,888,200
  5. Step 5: Solve for x
    x = 63,573,485,107,888,200/217,735,512.40
  6. Step 6: Final answer
    x = 291,975,729.67

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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.