Home / 260,357,103,317.52-390,536,971,400.07-81,268,077,662.13

Finding the Fourth Proportional to 260,357,103,317.52, 390,536,971,400.07 and 81,268,077,662.13

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Solution

The fourth proportional to 260,357,103,317.52, 390,536,971,400.07 and 81,268,077,662.13 is: 121,902,527,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,357,103,317.52 : 390,536,971,400.07 = 81,268,077,662.13 : x
  2. Step 2: Convert to fraction form
    260,357,103,317.52/390,536,971,400.07 = 81,268,077,662.13/x
  3. Step 3: Cross multiply
    260,357,103,317.52x = 390,536,971,400.07 × 81,268,077,662.13
  4. Step 4: Simplify right side
    260,357,103,317.52x = 31,738,188,921,673,932,079,104
  5. Step 5: Solve for x
    x = 31,738,188,921,673,932,079,104/260,357,103,317.52
  6. Step 6: Final answer
    x = 121,902,527,402.79

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1.5x scale

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.