Home / 784,015,293.80-1,176,017,709.20-317,669,837.59

Finding the Fourth Proportional to 784,015,293.80, 1,176,017,709.20 and 317,669,837.59

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Solution

The fourth proportional to 784,015,293.80, 1,176,017,709.20 and 317,669,837.59 is: 476,502,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,015,293.80 : 1,176,017,709.20 = 317,669,837.59 : x
  2. Step 2: Convert to fraction form
    784,015,293.80/1,176,017,709.20 = 317,669,837.59/x
  3. Step 3: Cross multiply
    784,015,293.80x = 1,176,017,709.20 × 317,669,837.59
  4. Step 4: Simplify right side
    784,015,293.80x = 373,585,354,682,382,016
  5. Step 5: Solve for x
    x = 373,585,354,682,382,016/784,015,293.80
  6. Step 6: Final answer
    x = 476,502,636.67

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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.