Home / 1,299,877,732.08-1,793,831,270.20-742,972,736.56

Finding the Fourth Proportional to 1,299,877,732.08, 1,793,831,270.20 and 742,972,736.56

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Solution

The fourth proportional to 1,299,877,732.08, 1,793,831,270.20 and 742,972,736.56 is: 1,025,302,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,732.08 : 1,793,831,270.20 = 742,972,736.56 : x
  2. Step 2: Convert to fraction form
    1,299,877,732.08/1,793,831,270.20 = 742,972,736.56/x
  3. Step 3: Cross multiply
    1,299,877,732.08x = 1,793,831,270.20 × 742,972,736.56
  4. Step 4: Simplify right side
    1,299,877,732.08x = 1,332,767,727,747,394,816
  5. Step 5: Solve for x
    x = 1,332,767,727,747,394,816/1,299,877,732.08
  6. Step 6: Final answer
    x = 1,025,302,376.41

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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.