Home / 1,306,507,102.82-1,802,974,364.46-711,789,735.70

Finding the Fourth Proportional to 1,306,507,102.82, 1,802,974,364.46 and 711,789,735.70

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Solution

The fourth proportional to 1,306,507,102.82, 1,802,974,364.46 and 711,789,735.70 is: 982,266,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,507,102.82 : 1,802,974,364.46 = 711,789,735.70 : x
  2. Step 2: Convert to fraction form
    1,306,507,102.82/1,802,974,364.46 = 711,789,735.70/x
  3. Step 3: Cross multiply
    1,306,507,102.82x = 1,802,974,364.46 × 711,789,735.70
  4. Step 4: Simplify right side
    1,306,507,102.82x = 1,283,338,646,340,285,184
  5. Step 5: Solve for x
    x = 1,283,338,646,340,285,184/1,306,507,102.82
  6. Step 6: Final answer
    x = 982,266,872.93

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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.