Home / 603,145,271.52-904,199,758.97-209,620,975.08

Finding the Fourth Proportional to 603,145,271.52, 904,199,758.97 and 209,620,975.08

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Solution

The fourth proportional to 603,145,271.52, 904,199,758.97 and 209,620,975.08 is: 314,251,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,145,271.52 : 904,199,758.97 = 209,620,975.08 : x
  2. Step 2: Convert to fraction form
    603,145,271.52/904,199,758.97 = 209,620,975.08/x
  3. Step 3: Cross multiply
    603,145,271.52x = 904,199,758.97 × 209,620,975.08
  4. Step 4: Simplify right side
    603,145,271.52x = 189,539,235,142,392,384
  5. Step 5: Solve for x
    x = 189,539,235,142,392,384/603,145,271.52
  6. Step 6: Final answer
    x = 314,251,382.03

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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.