Home / 742,448,240.36-1,113,665,268.54-451,395,719.72

Finding the Fourth Proportional to 742,448,240.36, 1,113,665,268.54 and 451,395,719.72

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Solution

The fourth proportional to 742,448,240.36, 1,113,665,268.54 and 451,395,719.72 is: 677,089,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,448,240.36 : 1,113,665,268.54 = 451,395,719.72 : x
  2. Step 2: Convert to fraction form
    742,448,240.36/1,113,665,268.54 = 451,395,719.72/x
  3. Step 3: Cross multiply
    742,448,240.36x = 1,113,665,268.54 × 451,395,719.72
  4. Step 4: Simplify right side
    742,448,240.36x = 502,703,735,419,780,416
  5. Step 5: Solve for x
    x = 502,703,735,419,780,416/742,448,240.36
  6. Step 6: Final answer
    x = 677,089,267.77

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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.