Home / 1,939,368,504.55-2,909,052,795.26-465,508,313.45

Finding the Fourth Proportional to 1,939,368,504.55, 2,909,052,795.26 and 465,508,313.45

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Solution

The fourth proportional to 1,939,368,504.55, 2,909,052,795.26 and 465,508,313.45 is: 698,262,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,368,504.55 : 2,909,052,795.26 = 465,508,313.45 : x
  2. Step 2: Convert to fraction form
    1,939,368,504.55/2,909,052,795.26 = 465,508,313.45/x
  3. Step 3: Cross multiply
    1,939,368,504.55x = 2,909,052,795.26 × 465,508,313.45
  4. Step 4: Simplify right side
    1,939,368,504.55x = 1,354,188,260,456,163,328
  5. Step 5: Solve for x
    x = 1,354,188,260,456,163,328/1,939,368,504.55
  6. Step 6: Final answer
    x = 698,262,479.40

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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.