Home / 299,322,288.96-410,064,685.64-288,131,285.57

Finding the Fourth Proportional to 299,322,288.96, 410,064,685.64 and 288,131,285.57

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Solution

The fourth proportional to 299,322,288.96, 410,064,685.64 and 288,131,285.57 is: 394,733,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,322,288.96 : 410,064,685.64 = 288,131,285.57 : x
  2. Step 2: Convert to fraction form
    299,322,288.96/410,064,685.64 = 288,131,285.57/x
  3. Step 3: Cross multiply
    299,322,288.96x = 410,064,685.64 × 288,131,285.57
  4. Step 4: Simplify right side
    299,322,288.96x = 118,152,465,036,820,128
  5. Step 5: Solve for x
    x = 118,152,465,036,820,128/299,322,288.96
  6. Step 6: Final answer
    x = 394,733,267.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.