Home / 1,299,877,705.28-1,793,831,233.24-742,972,709.76

Finding the Fourth Proportional to 1,299,877,705.28, 1,793,831,233.24 and 742,972,709.76

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Solution

The fourth proportional to 1,299,877,705.28, 1,793,831,233.24 and 742,972,709.76 is: 1,025,302,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,705.28 : 1,793,831,233.24 = 742,972,709.76 : x
  2. Step 2: Convert to fraction form
    1,299,877,705.28/1,793,831,233.24 = 742,972,709.76/x
  3. Step 3: Cross multiply
    1,299,877,705.28x = 1,793,831,233.24 × 742,972,709.76
  4. Step 4: Simplify right side
    1,299,877,705.28x = 1,332,767,652,212,445,440
  5. Step 5: Solve for x
    x = 1,332,767,652,212,445,440/1,299,877,705.28
  6. Step 6: Final answer
    x = 1,025,302,339.44

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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.