Home / 1,988,021,654.51-2,743,478,169.75-1,095,928,783.07

Finding the Fourth Proportional to 1,988,021,654.51, 2,743,478,169.75 and 1,095,928,783.07

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Solution

The fourth proportional to 1,988,021,654.51, 2,743,478,169.75 and 1,095,928,783.07 is: 1,512,386,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,021,654.51 : 2,743,478,169.75 = 1,095,928,783.07 : x
  2. Step 2: Convert to fraction form
    1,988,021,654.51/2,743,478,169.75 = 1,095,928,783.07/x
  3. Step 3: Cross multiply
    1,988,021,654.51x = 2,743,478,169.75 × 1,095,928,783.07
  4. Step 4: Simplify right side
    1,988,021,654.51x = 3,006,656,691,939,511,296
  5. Step 5: Solve for x
    x = 3,006,656,691,939,511,296/1,988,021,654.51
  6. Step 6: Final answer
    x = 1,512,386,288.71

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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.