Home / 1,299,877,731.79-1,793,831,269.82-742,972,736.27

Finding the Fourth Proportional to 1,299,877,731.79, 1,793,831,269.82 and 742,972,736.27

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Solution

The fourth proportional to 1,299,877,731.79, 1,793,831,269.82 and 742,972,736.27 is: 1,025,302,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,731.79 : 1,793,831,269.82 = 742,972,736.27 : x
  2. Step 2: Convert to fraction form
    1,299,877,731.79/1,793,831,269.82 = 742,972,736.27/x
  3. Step 3: Cross multiply
    1,299,877,731.79x = 1,793,831,269.82 × 742,972,736.27
  4. Step 4: Simplify right side
    1,299,877,731.79x = 1,332,767,726,944,854,016
  5. Step 5: Solve for x
    x = 1,332,767,726,944,854,016/1,299,877,731.79
  6. Step 6: Final answer
    x = 1,025,302,376.02

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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.