Home / 716,200,454.24-1,074,300,621.12-198,630,885.68

Finding the Fourth Proportional to 716,200,454.24, 1,074,300,621.12 and 198,630,885.68

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Solution

The fourth proportional to 716,200,454.24, 1,074,300,621.12 and 198,630,885.68 is: 297,946,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,200,454.24 : 1,074,300,621.12 = 198,630,885.68 : x
  2. Step 2: Convert to fraction form
    716,200,454.24/1,074,300,621.12 = 198,630,885.68/x
  3. Step 3: Cross multiply
    716,200,454.24x = 1,074,300,621.12 × 198,630,885.68
  4. Step 4: Simplify right side
    716,200,454.24x = 213,389,283,859,639,712
  5. Step 5: Solve for x
    x = 213,389,283,859,639,712/716,200,454.24
  6. Step 6: Final answer
    x = 297,946,311.81

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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.