Home / 729,835,093.84-1,007,164,411.32-395,299,293.52

Finding the Fourth Proportional to 729,835,093.84, 1,007,164,411.32 and 395,299,293.52

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Solution

The fourth proportional to 729,835,093.84, 1,007,164,411.32 and 395,299,293.52 is: 545,508,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,835,093.84 : 1,007,164,411.32 = 395,299,293.52 : x
  2. Step 2: Convert to fraction form
    729,835,093.84/1,007,164,411.32 = 395,299,293.52/x
  3. Step 3: Cross multiply
    729,835,093.84x = 1,007,164,411.32 × 395,299,293.52
  4. Step 4: Simplify right side
    729,835,093.84x = 398,131,380,253,282,688
  5. Step 5: Solve for x
    x = 398,131,380,253,282,688/729,835,093.84
  6. Step 6: Final answer
    x = 545,508,682.19

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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.