Home / 2,317,849,441.41-3,478,323,997.78-990,187,751.90

Finding the Fourth Proportional to 2,317,849,441.41, 3,478,323,997.78 and 990,187,751.90

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Solution

The fourth proportional to 2,317,849,441.41, 3,478,323,997.78 and 990,187,751.90 is: 1,485,943,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,849,441.41 : 3,478,323,997.78 = 990,187,751.90 : x
  2. Step 2: Convert to fraction form
    2,317,849,441.41/3,478,323,997.78 = 990,187,751.90/x
  3. Step 3: Cross multiply
    2,317,849,441.41x = 3,478,323,997.78 × 990,187,751.90
  4. Step 4: Simplify right side
    2,317,849,441.41x = 3,444,193,819,747,819,520
  5. Step 5: Solve for x
    x = 3,444,193,819,747,819,520/2,317,849,441.41
  6. Step 6: Final answer
    x = 1,485,943,719.30

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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.