Home / 729,158,367.92-1,093,786,314.95-256,400,931.49

Finding the Fourth Proportional to 729,158,367.92, 1,093,786,314.95 and 256,400,931.49

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Solution

The fourth proportional to 729,158,367.92, 1,093,786,314.95 and 256,400,931.49 is: 384,618,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,158,367.92 : 1,093,786,314.95 = 256,400,931.49 : x
  2. Step 2: Convert to fraction form
    729,158,367.92/1,093,786,314.95 = 256,400,931.49/x
  3. Step 3: Cross multiply
    729,158,367.92x = 1,093,786,314.95 × 256,400,931.49
  4. Step 4: Simplify right side
    729,158,367.92x = 280,447,829,998,725,600
  5. Step 5: Solve for x
    x = 280,447,829,998,725,600/729,158,367.92
  6. Step 6: Final answer
    x = 384,618,544.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.