Home / 1,821,370,931.72-2,513,491,357.02-985,994,887.22

Finding the Fourth Proportional to 1,821,370,931.72, 2,513,491,357.02 and 985,994,887.22

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Solution

The fourth proportional to 1,821,370,931.72, 2,513,491,357.02 and 985,994,887.22 is: 1,360,672,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,370,931.72 : 2,513,491,357.02 = 985,994,887.22 : x
  2. Step 2: Convert to fraction form
    1,821,370,931.72/2,513,491,357.02 = 985,994,887.22/x
  3. Step 3: Cross multiply
    1,821,370,931.72x = 2,513,491,357.02 × 985,994,887.22
  4. Step 4: Simplify right side
    1,821,370,931.72x = 2,478,289,627,093,379,584
  5. Step 5: Solve for x
    x = 2,478,289,627,093,379,584/1,821,370,931.72
  6. Step 6: Final answer
    x = 1,360,672,658.12

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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.