Home / 298,262,871.46-447,419,698.53-91,047,825.28

Finding the Fourth Proportional to 298,262,871.46, 447,419,698.53 and 91,047,825.28

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Solution

The fourth proportional to 298,262,871.46, 447,419,698.53 and 91,047,825.28 is: 136,579,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,262,871.46 : 447,419,698.53 = 91,047,825.28 : x
  2. Step 2: Convert to fraction form
    298,262,871.46/447,419,698.53 = 91,047,825.28/x
  3. Step 3: Cross multiply
    298,262,871.46x = 447,419,698.53 × 91,047,825.28
  4. Step 4: Simplify right side
    298,262,871.46x = 40,736,590,538,589,712
  5. Step 5: Solve for x
    x = 40,736,590,538,589,712/298,262,871.46
  6. Step 6: Final answer
    x = 136,579,488.89

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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.