Home / 605,315,334.02-907,237,619.54-328,309,684.38

Finding the Fourth Proportional to 605,315,334.02, 907,237,619.54 and 328,309,684.38

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Solution

The fourth proportional to 605,315,334.02, 907,237,619.54 and 328,309,684.38 is: 492,065,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,315,334.02 : 907,237,619.54 = 328,309,684.38 : x
  2. Step 2: Convert to fraction form
    605,315,334.02/907,237,619.54 = 328,309,684.38/x
  3. Step 3: Cross multiply
    605,315,334.02x = 907,237,619.54 × 328,309,684.38
  4. Step 4: Simplify right side
    605,315,334.02x = 297,854,896,528,429,568
  5. Step 5: Solve for x
    x = 297,854,896,528,429,568/605,315,334.02
  6. Step 6: Final answer
    x = 492,065,671.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.