Home / 869,252,606.60-1,303,431,012.30-323,713,329.80

Finding the Fourth Proportional to 869,252,606.60, 1,303,431,012.30 and 323,713,329.80

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Solution

The fourth proportional to 869,252,606.60, 1,303,431,012.30 and 323,713,329.80 is: 485,403,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,252,606.60 : 1,303,431,012.30 = 323,713,329.80 : x
  2. Step 2: Convert to fraction form
    869,252,606.60/1,303,431,012.30 = 323,713,329.80/x
  3. Step 3: Cross multiply
    869,252,606.60x = 1,303,431,012.30 × 323,713,329.80
  4. Step 4: Simplify right side
    869,252,606.60x = 421,937,993,156,217,728
  5. Step 5: Solve for x
    x = 421,937,993,156,217,728/869,252,606.60
  6. Step 6: Final answer
    x = 485,403,195.75

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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.