Home / 746,759,880.40-1,120,139,820.60-201,500,539.60

Finding the Fourth Proportional to 746,759,880.40, 1,120,139,820.60 and 201,500,539.60

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Solution

The fourth proportional to 746,759,880.40, 1,120,139,820.60 and 201,500,539.60 is: 302,250,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,759,880.40 : 1,120,139,820.60 = 201,500,539.60 : x
  2. Step 2: Convert to fraction form
    746,759,880.40/1,120,139,820.60 = 201,500,539.60/x
  3. Step 3: Cross multiply
    746,759,880.40x = 1,120,139,820.60 × 201,500,539.60
  4. Step 4: Simplify right side
    746,759,880.40x = 225,708,778,278,347,168
  5. Step 5: Solve for x
    x = 225,708,778,278,347,168/746,759,880.40
  6. Step 6: Final answer
    x = 302,250,809.40

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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.