Home / 873,338,863.20-1,309,630,381.20-355,597,231.20

Finding the Fourth Proportional to 873,338,863.20, 1,309,630,381.20 and 355,597,231.20

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Solution

The fourth proportional to 873,338,863.20, 1,309,630,381.20 and 355,597,231.20 is: 533,241,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,338,863.20 : 1,309,630,381.20 = 355,597,231.20 : x
  2. Step 2: Convert to fraction form
    873,338,863.20/1,309,630,381.20 = 355,597,231.20/x
  3. Step 3: Cross multiply
    873,338,863.20x = 1,309,630,381.20 × 355,597,231.20
  4. Step 4: Simplify right side
    873,338,863.20x = 465,700,937,450,120,512
  5. Step 5: Solve for x
    x = 465,700,937,450,120,512/873,338,863.20
  6. Step 6: Final answer
    x = 533,241,971.79

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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.