Home / 724,977,539.80-1,085,674,719.30-481,321,245.40

Finding the Fourth Proportional to 724,977,539.80, 1,085,674,719.30 and 481,321,245.40

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Solution

The fourth proportional to 724,977,539.80, 1,085,674,719.30 and 481,321,245.40 is: 720,792,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,977,539.80 : 1,085,674,719.30 = 481,321,245.40 : x
  2. Step 2: Convert to fraction form
    724,977,539.80/1,085,674,719.30 = 481,321,245.40/x
  3. Step 3: Cross multiply
    724,977,539.80x = 1,085,674,719.30 × 481,321,245.40
  4. Step 4: Simplify right side
    724,977,539.80x = 522,558,307,992,771,392
  5. Step 5: Solve for x
    x = 522,558,307,992,771,392/724,977,539.80
  6. Step 6: Final answer
    x = 720,792,409.84

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1.5x scale

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.