Home / 3,120,881,708.37-4,681,322,472.09-1,439,669,779.09

Finding the Fourth Proportional to 3,120,881,708.37, 4,681,322,472.09 and 1,439,669,779.09

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Solution

The fourth proportional to 3,120,881,708.37, 4,681,322,472.09 and 1,439,669,779.09 is: 2,159,504,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,881,708.37 : 4,681,322,472.09 = 1,439,669,779.09 : x
  2. Step 2: Convert to fraction form
    3,120,881,708.37/4,681,322,472.09 = 1,439,669,779.09/x
  3. Step 3: Cross multiply
    3,120,881,708.37x = 4,681,322,472.09 × 1,439,669,779.09
  4. Step 4: Simplify right side
    3,120,881,708.37x = 6,739,558,489,262,845,952
  5. Step 5: Solve for x
    x = 6,739,558,489,262,845,952/3,120,881,708.37
  6. Step 6: Final answer
    x = 2,159,504,626.91

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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.