Home / 316,529,756.58-437,024,240.55-197,633,400.06

Finding the Fourth Proportional to 316,529,756.58, 437,024,240.55 and 197,633,400.06

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Solution

The fourth proportional to 316,529,756.58, 437,024,240.55 and 197,633,400.06 is: 272,867,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,529,756.58 : 437,024,240.55 = 197,633,400.06 : x
  2. Step 2: Convert to fraction form
    316,529,756.58/437,024,240.55 = 197,633,400.06/x
  3. Step 3: Cross multiply
    316,529,756.58x = 437,024,240.55 × 197,633,400.06
  4. Step 4: Simplify right side
    316,529,756.58x = 86,370,586,568,535,824
  5. Step 5: Solve for x
    x = 86,370,586,568,535,824/316,529,756.58
  6. Step 6: Final answer
    x = 272,867,194.23

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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.