Home / 712,786,709.88-1,069,184,788.74-276,135,888.60

Finding the Fourth Proportional to 712,786,709.88, 1,069,184,788.74 and 276,135,888.60

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Solution

The fourth proportional to 712,786,709.88, 1,069,184,788.74 and 276,135,888.60 is: 414,205,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,786,709.88 : 1,069,184,788.74 = 276,135,888.60 : x
  2. Step 2: Convert to fraction form
    712,786,709.88/1,069,184,788.74 = 276,135,888.60/x
  3. Step 3: Cross multiply
    712,786,709.88x = 1,069,184,788.74 × 276,135,888.60
  4. Step 4: Simplify right side
    712,786,709.88x = 295,240,291,716,323,200
  5. Step 5: Solve for x
    x = 295,240,291,716,323,200/712,786,709.88
  6. Step 6: Final answer
    x = 414,205,662.96

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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.