Home / 620,630,200.68-931,172,305.74-288,795,472.02

Finding the Fourth Proportional to 620,630,200.68, 931,172,305.74 and 288,795,472.02

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Solution

The fourth proportional to 620,630,200.68, 931,172,305.74 and 288,795,472.02 is: 433,298,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,630,200.68 : 931,172,305.74 = 288,795,472.02 : x
  2. Step 2: Convert to fraction form
    620,630,200.68/931,172,305.74 = 288,795,472.02/x
  3. Step 3: Cross multiply
    620,630,200.68x = 931,172,305.74 × 288,795,472.02
  4. Step 4: Simplify right side
    620,630,200.68x = 268,918,345,568,135,040
  5. Step 5: Solve for x
    x = 268,918,345,568,135,040/620,630,200.68
  6. Step 6: Final answer
    x = 433,298,839.27

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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.