Home / 312,718,284.75-431,589,505.87-180,559,059.38

Finding the Fourth Proportional to 312,718,284.75, 431,589,505.87 and 180,559,059.38

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Solution

The fourth proportional to 312,718,284.75, 431,589,505.87 and 180,559,059.38 is: 249,193,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,718,284.75 : 431,589,505.87 = 180,559,059.38 : x
  2. Step 2: Convert to fraction form
    312,718,284.75/431,589,505.87 = 180,559,059.38/x
  3. Step 3: Cross multiply
    312,718,284.75x = 431,589,505.87 × 180,559,059.38
  4. Step 4: Simplify right side
    312,718,284.75x = 77,927,395,218,166,192
  5. Step 5: Solve for x
    x = 77,927,395,218,166,192/312,718,284.75
  6. Step 6: Final answer
    x = 249,193,600.18

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1.5x scale

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.