Home / 1,299,877,727.70-1,793,831,264.26-742,972,732.32

Finding the Fourth Proportional to 1,299,877,727.70, 1,793,831,264.26 and 742,972,732.32

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Solution

The fourth proportional to 1,299,877,727.70, 1,793,831,264.26 and 742,972,732.32 is: 1,025,302,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,727.70 : 1,793,831,264.26 = 742,972,732.32 : x
  2. Step 2: Convert to fraction form
    1,299,877,727.70/1,793,831,264.26 = 742,972,732.32/x
  3. Step 3: Cross multiply
    1,299,877,727.70x = 1,793,831,264.26 × 742,972,732.32
  4. Step 4: Simplify right side
    1,299,877,727.70x = 1,332,767,715,728,292,352
  5. Step 5: Solve for x
    x = 1,332,767,715,728,292,352/1,299,877,727.70
  6. Step 6: Final answer
    x = 1,025,302,370.62

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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.