Home / 342,720,949.68-472,941,645.64-186,084,471.60

Finding the Fourth Proportional to 342,720,949.68, 472,941,645.64 and 186,084,471.60

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Solution

The fourth proportional to 342,720,949.68, 472,941,645.64 and 186,084,471.60 is: 256,789,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,720,949.68 : 472,941,645.64 = 186,084,471.60 : x
  2. Step 2: Convert to fraction form
    342,720,949.68/472,941,645.64 = 186,084,471.60/x
  3. Step 3: Cross multiply
    342,720,949.68x = 472,941,645.64 × 186,084,471.60
  4. Step 4: Simplify right side
    342,720,949.68x = 88,007,096,226,553,840
  5. Step 5: Solve for x
    x = 88,007,096,226,553,840/342,720,949.68
  6. Step 6: Final answer
    x = 256,789,368.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.