Home / 1,939,368,504.80-2,909,052,795.63-465,508,313.70

Finding the Fourth Proportional to 1,939,368,504.80, 2,909,052,795.63 and 465,508,313.70

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Solution

The fourth proportional to 1,939,368,504.80, 2,909,052,795.63 and 465,508,313.70 is: 698,262,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,368,504.80 : 2,909,052,795.63 = 465,508,313.70 : x
  2. Step 2: Convert to fraction form
    1,939,368,504.80/2,909,052,795.63 = 465,508,313.70/x
  3. Step 3: Cross multiply
    1,939,368,504.80x = 2,909,052,795.63 × 465,508,313.70
  4. Step 4: Simplify right side
    1,939,368,504.80x = 1,354,188,261,357,991,936
  5. Step 5: Solve for x
    x = 1,354,188,261,357,991,936/1,939,368,504.80
  6. Step 6: Final answer
    x = 698,262,479.78

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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.