Home / 519,576,649.41-717,010,064.06-281,415,909.26

Finding the Fourth Proportional to 519,576,649.41, 717,010,064.06 and 281,415,909.26

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Solution

The fourth proportional to 519,576,649.41, 717,010,064.06 and 281,415,909.26 is: 388,350,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,576,649.41 : 717,010,064.06 = 281,415,909.26 : x
  2. Step 2: Convert to fraction form
    519,576,649.41/717,010,064.06 = 281,415,909.26/x
  3. Step 3: Cross multiply
    519,576,649.41x = 717,010,064.06 × 281,415,909.26
  4. Step 4: Simplify right side
    519,576,649.41x = 201,778,039,123,134,240
  5. Step 5: Solve for x
    x = 201,778,039,123,134,240/519,576,649.41
  6. Step 6: Final answer
    x = 388,350,860.94

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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.