Home / 374,240,999.70-516,426,361.83-217,596,993.48

Finding the Fourth Proportional to 374,240,999.70, 516,426,361.83 and 217,596,993.48

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Solution

The fourth proportional to 374,240,999.70, 516,426,361.83 and 217,596,993.48 is: 300,268,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,240,999.70 : 516,426,361.83 = 217,596,993.48 : x
  2. Step 2: Convert to fraction form
    374,240,999.70/516,426,361.83 = 217,596,993.48/x
  3. Step 3: Cross multiply
    374,240,999.70x = 516,426,361.83 × 217,596,993.48
  4. Step 4: Simplify right side
    374,240,999.70x = 112,372,823,688,022,624
  5. Step 5: Solve for x
    x = 112,372,823,688,022,624/374,240,999.70
  6. Step 6: Final answer
    x = 300,268,607.07

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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.