Home / 380,108,478.81-524,549,700.77-206,268,222.81

Finding the Fourth Proportional to 380,108,478.81, 524,549,700.77 and 206,268,222.81

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Solution

The fourth proportional to 380,108,478.81, 524,549,700.77 and 206,268,222.81 is: 284,650,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,108,478.81 : 524,549,700.77 = 206,268,222.81 : x
  2. Step 2: Convert to fraction form
    380,108,478.81/524,549,700.77 = 206,268,222.81/x
  3. Step 3: Cross multiply
    380,108,478.81x = 524,549,700.77 × 206,268,222.81
  4. Step 4: Simplify right side
    380,108,478.81x = 108,197,934,553,345,184
  5. Step 5: Solve for x
    x = 108,197,934,553,345,184/380,108,478.81
  6. Step 6: Final answer
    x = 284,650,147.48

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