Home / 2,151,449,386.07-2,968,969,972.68-1,198,870,273.31

Finding the Fourth Proportional to 2,151,449,386.07, 2,968,969,972.68 and 1,198,870,273.31

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Solution

The fourth proportional to 2,151,449,386.07, 2,968,969,972.68 and 1,198,870,273.31 is: 1,654,424,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,449,386.07 : 2,968,969,972.68 = 1,198,870,273.31 : x
  2. Step 2: Convert to fraction form
    2,151,449,386.07/2,968,969,972.68 = 1,198,870,273.31/x
  3. Step 3: Cross multiply
    2,151,449,386.07x = 2,968,969,972.68 × 1,198,870,273.31
  4. Step 4: Simplify right side
    2,151,449,386.07x = 3,559,409,842,581,210,112
  5. Step 5: Solve for x
    x = 3,559,409,842,581,210,112/2,151,449,386.07
  6. Step 6: Final answer
    x = 1,654,424,159.66

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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.