Home / 504,146,665.49-695,771,995.10-305,892,600.44

Finding the Fourth Proportional to 504,146,665.49, 695,771,995.10 and 305,892,600.44

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Solution

The fourth proportional to 504,146,665.49, 695,771,995.10 and 305,892,600.44 is: 422,161,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,146,665.49 : 695,771,995.10 = 305,892,600.44 : x
  2. Step 2: Convert to fraction form
    504,146,665.49/695,771,995.10 = 305,892,600.44/x
  3. Step 3: Cross multiply
    504,146,665.49x = 695,771,995.10 × 305,892,600.44
  4. Step 4: Simplify right side
    504,146,665.49x = 212,831,504,889,457,632
  5. Step 5: Solve for x
    x = 212,831,504,889,457,632/504,146,665.49
  6. Step 6: Final answer
    x = 422,161,881.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.