Home / 682,716,568.95-942,148,868.45-369,450,786.02

Finding the Fourth Proportional to 682,716,568.95, 942,148,868.45 and 369,450,786.02

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Solution

The fourth proportional to 682,716,568.95, 942,148,868.45 and 369,450,786.02 is: 509,842,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,716,568.95 : 942,148,868.45 = 369,450,786.02 : x
  2. Step 2: Convert to fraction form
    682,716,568.95/942,148,868.45 = 369,450,786.02/x
  3. Step 3: Cross multiply
    682,716,568.95x = 942,148,868.45 × 369,450,786.02
  4. Step 4: Simplify right side
    682,716,568.95x = 348,077,639,990,148,096
  5. Step 5: Solve for x
    x = 348,077,639,990,148,096/682,716,568.95
  6. Step 6: Final answer
    x = 509,842,086.48

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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.