Home / 448,627,268.40-672,940,902.60-206,762,564.40

Finding the Fourth Proportional to 448,627,268.40, 672,940,902.60 and 206,762,564.40

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Solution

The fourth proportional to 448,627,268.40, 672,940,902.60 and 206,762,564.40 is: 310,143,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,627,268.40 : 672,940,902.60 = 206,762,564.40 : x
  2. Step 2: Convert to fraction form
    448,627,268.40/672,940,902.60 = 206,762,564.40/x
  3. Step 3: Cross multiply
    448,627,268.40x = 672,940,902.60 × 206,762,564.40
  4. Step 4: Simplify right side
    448,627,268.40x = 139,138,986,711,226,640
  5. Step 5: Solve for x
    x = 139,138,986,711,226,640/448,627,268.40
  6. Step 6: Final answer
    x = 310,143,846.60

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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.