Home / 7,651,585,912.80-11,477,378,869.20-2,131,695,890.40

Finding the Fourth Proportional to 7,651,585,912.80, 11,477,378,869.20 and 2,131,695,890.40

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Solution

The fourth proportional to 7,651,585,912.80, 11,477,378,869.20 and 2,131,695,890.40 is: 3,197,543,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651,585,912.80 : 11,477,378,869.20 = 2,131,695,890.40 : x
  2. Step 2: Convert to fraction form
    7,651,585,912.80/11,477,378,869.20 = 2,131,695,890.40/x
  3. Step 3: Cross multiply
    7,651,585,912.80x = 11,477,378,869.20 × 2,131,695,890.40
  4. Step 4: Simplify right side
    7,651,585,912.80x = 24,466,281,368,037,441,536
  5. Step 5: Solve for x
    x = 24,466,281,368,037,441,536/7,651,585,912.80
  6. Step 6: Final answer
    x = 3,197,543,835.60

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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.