Home / 308,292,157,423.15-425,408,672,460.63-171,120,765,167.50

Finding the Fourth Proportional to 308,292,157,423.15, 425,408,672,460.63 and 171,120,765,167.50

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Solution

The fourth proportional to 308,292,157,423.15, 425,408,672,460.63 and 171,120,765,167.50 is: 236,127,503,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,292,157,423.15 : 425,408,672,460.63 = 171,120,765,167.50 : x
  2. Step 2: Convert to fraction form
    308,292,157,423.15/425,408,672,460.63 = 171,120,765,167.50/x
  3. Step 3: Cross multiply
    308,292,157,423.15x = 425,408,672,460.63 × 171,120,765,167.50
  4. Step 4: Simplify right side
    308,292,157,423.15x = 72,796,257,540,353,388,707,840
  5. Step 5: Solve for x
    x = 72,796,257,540,353,388,707,840/308,292,157,423.15
  6. Step 6: Final answer
    x = 236,127,503,692.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.