Home / 759,817,915.75-1,139,923,372.07-444,949,855.75

Finding the Fourth Proportional to 759,817,915.75, 1,139,923,372.07 and 444,949,855.75

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Solution

The fourth proportional to 759,817,915.75, 1,139,923,372.07 and 444,949,855.75 is: 667,539,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,817,915.75 : 1,139,923,372.07 = 444,949,855.75 : x
  2. Step 2: Convert to fraction form
    759,817,915.75/1,139,923,372.07 = 444,949,855.75/x
  3. Step 3: Cross multiply
    759,817,915.75x = 1,139,923,372.07 × 444,949,855.75
  4. Step 4: Simplify right side
    759,817,915.75x = 507,208,739,968,600,064
  5. Step 5: Solve for x
    x = 507,208,739,968,600,064/759,817,915.75
  6. Step 6: Final answer
    x = 667,539,853.24

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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.