Home / 612,163,689.22-918,150,880.45-223,895,723.14

Finding the Fourth Proportional to 612,163,689.22, 918,150,880.45 and 223,895,723.14

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Solution

The fourth proportional to 612,163,689.22, 918,150,880.45 and 223,895,723.14 is: 335,808,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,163,689.22 : 918,150,880.45 = 223,895,723.14 : x
  2. Step 2: Convert to fraction form
    612,163,689.22/918,150,880.45 = 223,895,723.14/x
  3. Step 3: Cross multiply
    612,163,689.22x = 918,150,880.45 × 223,895,723.14
  4. Step 4: Simplify right side
    612,163,689.22x = 205,570,055,331,408,000
  5. Step 5: Solve for x
    x = 205,570,055,331,408,000/612,163,689.22
  6. Step 6: Final answer
    x = 335,808,965.72

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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.