Home / 1,268,720,895.40-1,903,173,065.46-531,048,900.94

Finding the Fourth Proportional to 1,268,720,895.40, 1,903,173,065.46 and 531,048,900.94

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Solution

The fourth proportional to 1,268,720,895.40, 1,903,173,065.46 and 531,048,900.94 is: 796,611,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,720,895.40 : 1,903,173,065.46 = 531,048,900.94 : x
  2. Step 2: Convert to fraction form
    1,268,720,895.40/1,903,173,065.46 = 531,048,900.94/x
  3. Step 3: Cross multiply
    1,268,720,895.40x = 1,903,173,065.46 × 531,048,900.94
  4. Step 4: Simplify right side
    1,268,720,895.40x = 1,010,677,964,711,143,680
  5. Step 5: Solve for x
    x = 1,010,677,964,711,143,680/1,268,720,895.40
  6. Step 6: Final answer
    x = 796,611,743.67

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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.