Home / 3,120,881,708.31-4,681,322,471.98-1,439,669,779.01

Finding the Fourth Proportional to 3,120,881,708.31, 4,681,322,471.98 and 1,439,669,779.01

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Solution

The fourth proportional to 3,120,881,708.31, 4,681,322,471.98 and 1,439,669,779.01 is: 2,159,504,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,881,708.31 : 4,681,322,471.98 = 1,439,669,779.01 : x
  2. Step 2: Convert to fraction form
    3,120,881,708.31/4,681,322,471.98 = 1,439,669,779.01/x
  3. Step 3: Cross multiply
    3,120,881,708.31x = 4,681,322,471.98 × 1,439,669,779.01
  4. Step 4: Simplify right side
    3,120,881,708.31x = 6,739,558,488,679,389,184
  5. Step 5: Solve for x
    x = 6,739,558,488,679,389,184/3,120,881,708.31
  6. Step 6: Final answer
    x = 2,159,504,626.77

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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.