Home / 25,408,477,538.98-38,104,630,371.40-8,388,074,008.98

Finding the Fourth Proportional to 25,408,477,538.98, 38,104,630,371.40 and 8,388,074,008.98

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Solution

The fourth proportional to 25,408,477,538.98, 38,104,630,371.40 and 8,388,074,008.98 is: 12,579,441,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408,477,538.98 : 38,104,630,371.40 = 8,388,074,008.98 : x
  2. Step 2: Convert to fraction form
    25,408,477,538.98/38,104,630,371.40 = 8,388,074,008.98/x
  3. Step 3: Cross multiply
    25,408,477,538.98x = 38,104,630,371.40 × 8,388,074,008.98
  4. Step 4: Simplify right side
    25,408,477,538.98x = 319,624,459,640,163,794,944
  5. Step 5: Solve for x
    x = 319,624,459,640,163,794,944/25,408,477,538.98
  6. Step 6: Final answer
    x = 12,579,441,611.56

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Double scale
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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.