Home / 260,296,704,611.20-390,445,056,916.80-74,157,628,412.80

Finding the Fourth Proportional to 260,296,704,611.20, 390,445,056,916.80 and 74,157,628,412.80

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Solution

The fourth proportional to 260,296,704,611.20, 390,445,056,916.80 and 74,157,628,412.80 is: 111,236,442,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,296,704,611.20 : 390,445,056,916.80 = 74,157,628,412.80 : x
  2. Step 2: Convert to fraction form
    260,296,704,611.20/390,445,056,916.80 = 74,157,628,412.80/x
  3. Step 3: Cross multiply
    260,296,704,611.20x = 390,445,056,916.80 × 74,157,628,412.80
  4. Step 4: Simplify right side
    260,296,704,611.20x = 28,954,479,446,450,600,148,992
  5. Step 5: Solve for x
    x = 28,954,479,446,450,600,148,992/260,296,704,611.20
  6. Step 6: Final answer
    x = 111,236,442,619.20

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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.