Home / 1,299,877,734.79-1,793,831,273.96-742,972,739.27

Finding the Fourth Proportional to 1,299,877,734.79, 1,793,831,273.96 and 742,972,739.27

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Solution

The fourth proportional to 1,299,877,734.79, 1,793,831,273.96 and 742,972,739.27 is: 1,025,302,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,734.79 : 1,793,831,273.96 = 742,972,739.27 : x
  2. Step 2: Convert to fraction form
    1,299,877,734.79/1,793,831,273.96 = 742,972,739.27/x
  3. Step 3: Cross multiply
    1,299,877,734.79x = 1,793,831,273.96 × 742,972,739.27
  4. Step 4: Simplify right side
    1,299,877,734.79x = 1,332,767,735,402,255,104
  5. Step 5: Solve for x
    x = 1,332,767,735,402,255,104/1,299,877,734.79
  6. Step 6: Final answer
    x = 1,025,302,380.16

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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.