Home / 12,415,157,745.92-18,630,961,587.52-6,823,000,069.76

Finding the Fourth Proportional to 12,415,157,745.92, 18,630,961,587.52 and 6,823,000,069.76

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Solution

The fourth proportional to 12,415,157,745.92, 18,630,961,587.52 and 6,823,000,069.76 is: 10,239,020,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,157,745.92 : 18,630,961,587.52 = 6,823,000,069.76 : x
  2. Step 2: Convert to fraction form
    12,415,157,745.92/18,630,961,587.52 = 6,823,000,069.76/x
  3. Step 3: Cross multiply
    12,415,157,745.92x = 18,630,961,587.52 × 6,823,000,069.76
  4. Step 4: Simplify right side
    12,415,157,745.92x = 127,119,052,211,344,850,944
  5. Step 5: Solve for x
    x = 127,119,052,211,344,850,944/12,415,157,745.92
  6. Step 6: Final answer
    x = 10,239,020,301.87

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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.