Home / 3,120,881,709.13-4,681,322,473.22-1,439,669,779.85

Finding the Fourth Proportional to 3,120,881,709.13, 4,681,322,473.22 and 1,439,669,779.85

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Solution

The fourth proportional to 3,120,881,709.13, 4,681,322,473.22 and 1,439,669,779.85 is: 2,159,504,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,881,709.13 : 4,681,322,473.22 = 1,439,669,779.85 : x
  2. Step 2: Convert to fraction form
    3,120,881,709.13/4,681,322,473.22 = 1,439,669,779.85/x
  3. Step 3: Cross multiply
    3,120,881,709.13x = 4,681,322,473.22 × 1,439,669,779.85
  4. Step 4: Simplify right side
    3,120,881,709.13x = 6,739,558,494,407,687,168
  5. Step 5: Solve for x
    x = 6,739,558,494,407,687,168/3,120,881,709.13
  6. Step 6: Final answer
    x = 2,159,504,628.03

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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.