Home / 918,263,012.20-1,377,394,518.30-373,395,581.80

Finding the Fourth Proportional to 918,263,012.20, 1,377,394,518.30 and 373,395,581.80

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Solution

The fourth proportional to 918,263,012.20, 1,377,394,518.30 and 373,395,581.80 is: 560,093,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,263,012.20 : 1,377,394,518.30 = 373,395,581.80 : x
  2. Step 2: Convert to fraction form
    918,263,012.20/1,377,394,518.30 = 373,395,581.80/x
  3. Step 3: Cross multiply
    918,263,012.20x = 1,377,394,518.30 × 373,395,581.80
  4. Step 4: Simplify right side
    918,263,012.20x = 514,313,027,528,759,232
  5. Step 5: Solve for x
    x = 514,313,027,528,759,232/918,263,012.20
  6. Step 6: Final answer
    x = 560,093,372.70

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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.