Home / 797,385,775.40-1,196,302,611.90-388,455,266.60

Finding the Fourth Proportional to 797,385,775.40, 1,196,302,611.90 and 388,455,266.60

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Solution

The fourth proportional to 797,385,775.40, 1,196,302,611.90 and 388,455,266.60 is: 582,791,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,385,775.40 : 1,196,302,611.90 = 388,455,266.60 : x
  2. Step 2: Convert to fraction form
    797,385,775.40/1,196,302,611.90 = 388,455,266.60/x
  3. Step 3: Cross multiply
    797,385,775.40x = 1,196,302,611.90 × 388,455,266.60
  4. Step 4: Simplify right side
    797,385,775.40x = 464,710,050,039,890,880
  5. Step 5: Solve for x
    x = 464,710,050,039,890,880/797,385,775.40
  6. Step 6: Final answer
    x = 582,791,999.03

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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.