Home / 3,162,345,906.66-4,361,492,740.77-2,780,050,538.67

Finding the Fourth Proportional to 3,162,345,906.66, 4,361,492,740.77 and 2,780,050,538.67

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Solution

The fourth proportional to 3,162,345,906.66, 4,361,492,740.77 and 2,780,050,538.67 is: 3,834,232,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,345,906.66 : 4,361,492,740.77 = 2,780,050,538.67 : x
  2. Step 2: Convert to fraction form
    3,162,345,906.66/4,361,492,740.77 = 2,780,050,538.67/x
  3. Step 3: Cross multiply
    3,162,345,906.66x = 4,361,492,740.77 × 2,780,050,538.67
  4. Step 4: Simplify right side
    3,162,345,906.66x = 12,125,170,243,382,935,552
  5. Step 5: Solve for x
    x = 12,125,170,243,382,935,552/3,162,345,906.66
  6. Step 6: Final answer
    x = 3,834,232,750.39

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Half scale
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Double scale
Find fourth proportional to 3,162,345,907.66, 4,361,492,742.15 and 2,780,050,539.67
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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.