Home / 1,275,508,922.45-1,913,263,408.26-306,160,538.45

Finding the Fourth Proportional to 1,275,508,922.45, 1,913,263,408.26 and 306,160,538.45

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Solution

The fourth proportional to 1,275,508,922.45, 1,913,263,408.26 and 306,160,538.45 is: 459,240,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,508,922.45 : 1,913,263,408.26 = 306,160,538.45 : x
  2. Step 2: Convert to fraction form
    1,275,508,922.45/1,913,263,408.26 = 306,160,538.45/x
  3. Step 3: Cross multiply
    1,275,508,922.45x = 1,913,263,408.26 × 306,160,538.45
  4. Step 4: Simplify right side
    1,275,508,922.45x = 585,765,755,259,997,440
  5. Step 5: Solve for x
    x = 585,765,755,259,997,440/1,275,508,922.45
  6. Step 6: Final answer
    x = 459,240,813.57

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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.