Home / 670,522,092.40-1,005,783,138.60-412,241,766.40

Finding the Fourth Proportional to 670,522,092.40, 1,005,783,138.60 and 412,241,766.40

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Solution

The fourth proportional to 670,522,092.40, 1,005,783,138.60 and 412,241,766.40 is: 618,362,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,522,092.40 : 1,005,783,138.60 = 412,241,766.40 : x
  2. Step 2: Convert to fraction form
    670,522,092.40/1,005,783,138.60 = 412,241,766.40/x
  3. Step 3: Cross multiply
    670,522,092.40x = 1,005,783,138.60 × 412,241,766.40
  4. Step 4: Simplify right side
    670,522,092.40x = 414,625,817,671,800,000
  5. Step 5: Solve for x
    x = 414,625,817,671,800,000/670,522,092.40
  6. Step 6: Final answer
    x = 618,362,649.60

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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.