Home / 792,768,988.72-1,188,883,811.40-301,363,735.60

Finding the Fourth Proportional to 792,768,988.72, 1,188,883,811.40 and 301,363,735.60

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Solution

The fourth proportional to 792,768,988.72, 1,188,883,811.40 and 301,363,735.60 is: 451,943,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,768,988.72 : 1,188,883,811.40 = 301,363,735.60 : x
  2. Step 2: Convert to fraction form
    792,768,988.72/1,188,883,811.40 = 301,363,735.60/x
  3. Step 3: Cross multiply
    792,768,988.72x = 1,188,883,811.40 × 301,363,735.60
  4. Step 4: Simplify right side
    792,768,988.72x = 358,286,466,597,869,952
  5. Step 5: Solve for x
    x = 358,286,466,597,869,952/792,768,988.72
  6. Step 6: Final answer
    x = 451,943,090.23

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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.