Home / 3,131,493,000.60-4,697,239,500.90-1,290,297,941.40

Finding the Fourth Proportional to 3,131,493,000.60, 4,697,239,500.90 and 1,290,297,941.40

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Solution

The fourth proportional to 3,131,493,000.60, 4,697,239,500.90 and 1,290,297,941.40 is: 1,935,446,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,493,000.60 : 4,697,239,500.90 = 1,290,297,941.40 : x
  2. Step 2: Convert to fraction form
    3,131,493,000.60/4,697,239,500.90 = 1,290,297,941.40/x
  3. Step 3: Cross multiply
    3,131,493,000.60x = 4,697,239,500.90 × 1,290,297,941.40
  4. Step 4: Simplify right side
    3,131,493,000.60x = 6,060,838,458,274,033,664
  5. Step 5: Solve for x
    x = 6,060,838,458,274,033,664/3,131,493,000.60
  6. Step 6: Final answer
    x = 1,935,446,912.10

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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.