Home / 1,299,877,732.29-1,793,831,270.51-742,972,736.77

Finding the Fourth Proportional to 1,299,877,732.29, 1,793,831,270.51 and 742,972,736.77

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Solution

The fourth proportional to 1,299,877,732.29, 1,793,831,270.51 and 742,972,736.77 is: 1,025,302,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,732.29 : 1,793,831,270.51 = 742,972,736.77 : x
  2. Step 2: Convert to fraction form
    1,299,877,732.29/1,793,831,270.51 = 742,972,736.77/x
  3. Step 3: Cross multiply
    1,299,877,732.29x = 1,793,831,270.51 × 742,972,736.77
  4. Step 4: Simplify right side
    1,299,877,732.29x = 1,332,767,728,354,420,736
  5. Step 5: Solve for x
    x = 1,332,767,728,354,420,736/1,299,877,732.29
  6. Step 6: Final answer
    x = 1,025,302,376.71

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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.