Home / 349,848,019.40-524,016,201.90-289,381,843.40

Finding the Fourth Proportional to 349,848,019.40, 524,016,201.90 and 289,381,843.40

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Solution

The fourth proportional to 349,848,019.40, 524,016,201.90 and 289,381,843.40 is: 433,447,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,848,019.40 : 524,016,201.90 = 289,381,843.40 : x
  2. Step 2: Convert to fraction form
    349,848,019.40/524,016,201.90 = 289,381,843.40/x
  3. Step 3: Cross multiply
    349,848,019.40x = 524,016,201.90 × 289,381,843.40
  4. Step 4: Simplify right side
    349,848,019.40x = 151,640,774,477,288,576
  5. Step 5: Solve for x
    x = 151,640,774,477,288,576/349,848,019.40
  6. Step 6: Final answer
    x = 433,447,571.71

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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.