Home / 351,783,904.72-485,519,984.64-195,201,457.08

Finding the Fourth Proportional to 351,783,904.72, 485,519,984.64 and 195,201,457.08

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Solution

The fourth proportional to 351,783,904.72, 485,519,984.64 and 195,201,457.08 is: 269,410,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,783,904.72 : 485,519,984.64 = 195,201,457.08 : x
  2. Step 2: Convert to fraction form
    351,783,904.72/485,519,984.64 = 195,201,457.08/x
  3. Step 3: Cross multiply
    351,783,904.72x = 485,519,984.64 × 195,201,457.08
  4. Step 4: Simplify right side
    351,783,904.72x = 94,774,208,443,187,216
  5. Step 5: Solve for x
    x = 94,774,208,443,187,216/351,783,904.72
  6. Step 6: Final answer
    x = 269,410,303.23

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Why These Related Problems?

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