Home / 1,262,833,914.48-1,742,722,078.41-698,356,991.88

Finding the Fourth Proportional to 1,262,833,914.48, 1,742,722,078.41 and 698,356,991.88

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Solution

The fourth proportional to 1,262,833,914.48, 1,742,722,078.41 and 698,356,991.88 is: 963,738,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,833,914.48 : 1,742,722,078.41 = 698,356,991.88 : x
  2. Step 2: Convert to fraction form
    1,262,833,914.48/1,742,722,078.41 = 698,356,991.88/x
  3. Step 3: Cross multiply
    1,262,833,914.48x = 1,742,722,078.41 × 698,356,991.88
  4. Step 4: Simplify right side
    1,262,833,914.48x = 1,217,042,148,368,139,008
  5. Step 5: Solve for x
    x = 1,217,042,148,368,139,008/1,262,833,914.48
  6. Step 6: Final answer
    x = 963,738,884.75

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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.