Home / 1,039,405,002-1,559,179,239.34-302,481,010.75

Finding the Fourth Proportional to 1,039,405,002, 1,559,179,239.34 and 302,481,010.75

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Solution

The fourth proportional to 1,039,405,002, 1,559,179,239.34 and 302,481,010.75 is: 453,742,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,405,002 : 1,559,179,239.34 = 302,481,010.75 : x
  2. Step 2: Convert to fraction form
    1,039,405,002/1,559,179,239.34 = 302,481,010.75/x
  3. Step 3: Cross multiply
    1,039,405,002x = 1,559,179,239.34 × 302,481,010.75
  4. Step 4: Simplify right side
    1,039,405,002x = 471,622,112,251,325,248
  5. Step 5: Solve for x
    x = 471,622,112,251,325,248/1,039,405,002
  6. Step 6: Final answer
    x = 453,742,392.37

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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.