Home / 718,560,274.38-1,077,677,786.25-330,009,572.94

Finding the Fourth Proportional to 718,560,274.38, 1,077,677,786.25 and 330,009,572.94

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Solution

The fourth proportional to 718,560,274.38, 1,077,677,786.25 and 330,009,572.94 is: 494,939,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,560,274.38 : 1,077,677,786.25 = 330,009,572.94 : x
  2. Step 2: Convert to fraction form
    718,560,274.38/1,077,677,786.25 = 330,009,572.94/x
  3. Step 3: Cross multiply
    718,560,274.38x = 1,077,677,786.25 × 330,009,572.94
  4. Step 4: Simplify right side
    718,560,274.38x = 355,643,986,007,287,104
  5. Step 5: Solve for x
    x = 355,643,986,007,287,104/718,560,274.38
  6. Step 6: Final answer
    x = 494,939,671.30

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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.