Home / 684,052,801.56-943,967,576.14-370,780,289.48

Finding the Fourth Proportional to 684,052,801.56, 943,967,576.14 and 370,780,289.48

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Solution

The fourth proportional to 684,052,801.56, 943,967,576.14 and 370,780,289.48 is: 511,663,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,801.56 : 943,967,576.14 = 370,780,289.48 : x
  2. Step 2: Convert to fraction form
    684,052,801.56/943,967,576.14 = 370,780,289.48/x
  3. Step 3: Cross multiply
    684,052,801.56x = 943,967,576.14 × 370,780,289.48
  4. Step 4: Simplify right side
    684,052,801.56x = 350,004,571,140,923,136
  5. Step 5: Solve for x
    x = 350,004,571,140,923,136/684,052,801.56
  6. Step 6: Final answer
    x = 511,663,091.42

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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.