Home / 1,299,877,704.78-1,793,831,232.60-742,972,709.22

Finding the Fourth Proportional to 1,299,877,704.78, 1,793,831,232.60 and 742,972,709.22

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Solution

The fourth proportional to 1,299,877,704.78, 1,793,831,232.60 and 742,972,709.22 is: 1,025,302,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,704.78 : 1,793,831,232.60 = 742,972,709.22 : x
  2. Step 2: Convert to fraction form
    1,299,877,704.78/1,793,831,232.60 = 742,972,709.22/x
  3. Step 3: Cross multiply
    1,299,877,704.78x = 1,793,831,232.60 × 742,972,709.22
  4. Step 4: Simplify right side
    1,299,877,704.78x = 1,332,767,650,768,273,920
  5. Step 5: Solve for x
    x = 1,332,767,650,768,273,920/1,299,877,704.78
  6. Step 6: Final answer
    x = 1,025,302,338.73

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Double scale
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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.