Home / 28,697,435,464.80-43,046,153,197.20-17,620,032,021.60

Finding the Fourth Proportional to 28,697,435,464.80, 43,046,153,197.20 and 17,620,032,021.60

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Solution

The fourth proportional to 28,697,435,464.80, 43,046,153,197.20 and 17,620,032,021.60 is: 26,430,048,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697,435,464.80 : 43,046,153,197.20 = 17,620,032,021.60 : x
  2. Step 2: Convert to fraction form
    28,697,435,464.80/43,046,153,197.20 = 17,620,032,021.60/x
  3. Step 3: Cross multiply
    28,697,435,464.80x = 43,046,153,197.20 × 17,620,032,021.60
  4. Step 4: Simplify right side
    28,697,435,464.80x = 758,474,597,741,363,068,928
  5. Step 5: Solve for x
    x = 758,474,597,741,363,068,928/28,697,435,464.80
  6. Step 6: Final answer
    x = 26,430,048,032.40

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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.