Home / 312,079,523.48-430,676,701.32-178,114,752.56

Finding the Fourth Proportional to 312,079,523.48, 430,676,701.32 and 178,114,752.56

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Solution

The fourth proportional to 312,079,523.48, 430,676,701.32 and 178,114,752.56 is: 245,802,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,079,523.48 : 430,676,701.32 = 178,114,752.56 : x
  2. Step 2: Convert to fraction form
    312,079,523.48/430,676,701.32 = 178,114,752.56/x
  3. Step 3: Cross multiply
    312,079,523.48x = 430,676,701.32 × 178,114,752.56
  4. Step 4: Simplify right side
    312,079,523.48x = 76,709,874,088,968,832
  5. Step 5: Solve for x
    x = 76,709,874,088,968,832/312,079,523.48
  6. Step 6: Final answer
    x = 245,802,330.23

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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.