Home / 519,576,647.34-717,010,061.21-281,415,907.19

Finding the Fourth Proportional to 519,576,647.34, 717,010,061.21 and 281,415,907.19

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Solution

The fourth proportional to 519,576,647.34, 717,010,061.21 and 281,415,907.19 is: 388,350,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,576,647.34 : 717,010,061.21 = 281,415,907.19 : x
  2. Step 2: Convert to fraction form
    519,576,647.34/717,010,061.21 = 281,415,907.19/x
  3. Step 3: Cross multiply
    519,576,647.34x = 717,010,061.21 × 281,415,907.19
  4. Step 4: Simplify right side
    519,576,647.34x = 201,778,036,842,794,720
  5. Step 5: Solve for x
    x = 201,778,036,842,794,720/519,576,647.34
  6. Step 6: Final answer
    x = 388,350,858.10

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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.