Home / 1,317,933,808.83-1,818,776,435.25-723,213,091.35

Finding the Fourth Proportional to 1,317,933,808.83, 1,818,776,435.25 and 723,213,091.35

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Solution

The fourth proportional to 1,317,933,808.83, 1,818,776,435.25 and 723,213,091.35 is: 998,049,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,933,808.83 : 1,818,776,435.25 = 723,213,091.35 : x
  2. Step 2: Convert to fraction form
    1,317,933,808.83/1,818,776,435.25 = 723,213,091.35/x
  3. Step 3: Cross multiply
    1,317,933,808.83x = 1,818,776,435.25 × 723,213,091.35
  4. Step 4: Simplify right side
    1,317,933,808.83x = 1,315,362,928,211,685,632
  5. Step 5: Solve for x
    x = 1,315,362,928,211,685,632/1,317,933,808.83
  6. Step 6: Final answer
    x = 998,049,309.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.