Home / 716,199,911.01-1,074,299,808.06-198,630,344.88

Finding the Fourth Proportional to 716,199,911.01, 1,074,299,808.06 and 198,630,344.88

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Solution

The fourth proportional to 716,199,911.01, 1,074,299,808.06 and 198,630,344.88 is: 297,945,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,199,911.01 : 1,074,299,808.06 = 198,630,344.88 : x
  2. Step 2: Convert to fraction form
    716,199,911.01/1,074,299,808.06 = 198,630,344.88/x
  3. Step 3: Cross multiply
    716,199,911.01x = 1,074,299,808.06 × 198,630,344.88
  4. Step 4: Simplify right side
    716,199,911.01x = 213,388,541,379,475,584
  5. Step 5: Solve for x
    x = 213,388,541,379,475,584/716,199,911.01
  6. Step 6: Final answer
    x = 297,945,501.11

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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.