Home / 1,981,882,128.96-2,735,007,971.52-1,089,866,376

Finding the Fourth Proportional to 1,981,882,128.96, 2,735,007,971.52 and 1,089,866,376

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Solution

The fourth proportional to 1,981,882,128.96, 2,735,007,971.52 and 1,089,866,376 is: 1,504,021,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,882,128.96 : 2,735,007,971.52 = 1,089,866,376 : x
  2. Step 2: Convert to fraction form
    1,981,882,128.96/2,735,007,971.52 = 1,089,866,376/x
  3. Step 3: Cross multiply
    1,981,882,128.96x = 2,735,007,971.52 × 1,089,866,376
  4. Step 4: Simplify right side
    1,981,882,128.96x = 2,980,793,226,251,613,696
  5. Step 5: Solve for x
    x = 2,980,793,226,251,613,696/1,981,882,128.96
  6. Step 6: Final answer
    x = 1,504,021,446.43

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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.