Home / 716,199,912.51-1,074,299,810.31-198,630,346.38

Finding the Fourth Proportional to 716,199,912.51, 1,074,299,810.31 and 198,630,346.38

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Solution

The fourth proportional to 716,199,912.51, 1,074,299,810.31 and 198,630,346.38 is: 297,945,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,199,912.51 : 1,074,299,810.31 = 198,630,346.38 : x
  2. Step 2: Convert to fraction form
    716,199,912.51/1,074,299,810.31 = 198,630,346.38/x
  3. Step 3: Cross multiply
    716,199,912.51x = 1,074,299,810.31 × 198,630,346.38
  4. Step 4: Simplify right side
    716,199,912.51x = 213,388,543,437,843,584
  5. Step 5: Solve for x
    x = 213,388,543,437,843,584/716,199,912.51
  6. Step 6: Final answer
    x = 297,945,503.36

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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.