Home / 1,448,533,485.40-2,172,800,228.10-528,439,840.60

Finding the Fourth Proportional to 1,448,533,485.40, 2,172,800,228.10 and 528,439,840.60

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Solution

The fourth proportional to 1,448,533,485.40, 2,172,800,228.10 and 528,439,840.60 is: 792,659,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,533,485.40 : 2,172,800,228.10 = 528,439,840.60 : x
  2. Step 2: Convert to fraction form
    1,448,533,485.40/2,172,800,228.10 = 528,439,840.60/x
  3. Step 3: Cross multiply
    1,448,533,485.40x = 2,172,800,228.10 × 528,439,840.60
  4. Step 4: Simplify right side
    1,448,533,485.40x = 1,148,194,206,192,807,680
  5. Step 5: Solve for x
    x = 1,148,194,206,192,807,680/1,448,533,485.40
  6. Step 6: Final answer
    x = 792,659,760.90

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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.