Home / 1,232,889,861.88-1,849,137,933.59-359,286,884.88

Finding the Fourth Proportional to 1,232,889,861.88, 1,849,137,933.59 and 359,286,884.88

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Solution

The fourth proportional to 1,232,889,861.88, 1,849,137,933.59 and 359,286,884.88 is: 538,872,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,889,861.88 : 1,849,137,933.59 = 359,286,884.88 : x
  2. Step 2: Convert to fraction form
    1,232,889,861.88/1,849,137,933.59 = 359,286,884.88/x
  3. Step 3: Cross multiply
    1,232,889,861.88x = 1,849,137,933.59 × 359,286,884.88
  4. Step 4: Simplify right side
    1,232,889,861.88x = 664,371,007,872,991,360
  5. Step 5: Solve for x
    x = 664,371,007,872,991,360/1,232,889,861.88
  6. Step 6: Final answer
    x = 538,872,958.90

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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.