Home / 370,738,074.57-511,642,457.75-205,725,644.07

Finding the Fourth Proportional to 370,738,074.57, 511,642,457.75 and 205,725,644.07

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Solution

The fourth proportional to 370,738,074.57, 511,642,457.75 and 205,725,644.07 is: 283,914,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,738,074.57 : 511,642,457.75 = 205,725,644.07 : x
  2. Step 2: Convert to fraction form
    370,738,074.57/511,642,457.75 = 205,725,644.07/x
  3. Step 3: Cross multiply
    370,738,074.57x = 511,642,457.75 × 205,725,644.07
  4. Step 4: Simplify right side
    370,738,074.57x = 105,257,974,152,767,056
  5. Step 5: Solve for x
    x = 105,257,974,152,767,056/370,738,074.57
  6. Step 6: Final answer
    x = 283,914,659.36

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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.