Home / 1,259,614,927.84-1,889,294,824-339,584,268.64

Finding the Fourth Proportional to 1,259,614,927.84, 1,889,294,824 and 339,584,268.64

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Solution

The fourth proportional to 1,259,614,927.84, 1,889,294,824 and 339,584,268.64 is: 509,342,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,614,927.84 : 1,889,294,824 = 339,584,268.64 : x
  2. Step 2: Convert to fraction form
    1,259,614,927.84/1,889,294,824 = 339,584,268.64/x
  3. Step 3: Cross multiply
    1,259,614,927.84x = 1,889,294,824 × 339,584,268.64
  4. Step 4: Simplify right side
    1,259,614,927.84x = 641,574,801,053,377,536
  5. Step 5: Solve for x
    x = 641,574,801,053,377,536/1,259,614,927.84
  6. Step 6: Final answer
    x = 509,342,011.49

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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.