Home / 1,262,834,004.56-1,742,722,202.78-698,357,081.96

Finding the Fourth Proportional to 1,262,834,004.56, 1,742,722,202.78 and 698,357,081.96

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Solution

The fourth proportional to 1,262,834,004.56, 1,742,722,202.78 and 698,357,081.96 is: 963,739,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,834,004.56 : 1,742,722,202.78 = 698,357,081.96 : x
  2. Step 2: Convert to fraction form
    1,262,834,004.56/1,742,722,202.78 = 698,357,081.96/x
  3. Step 3: Cross multiply
    1,262,834,004.56x = 1,742,722,202.78 × 698,357,081.96
  4. Step 4: Simplify right side
    1,262,834,004.56x = 1,217,042,392,188,139,008
  5. Step 5: Solve for x
    x = 1,217,042,392,188,139,008/1,262,834,004.56
  6. Step 6: Final answer
    x = 963,739,009.08

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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.