Home / 576,416,985.20-795,455,815.03-312,099,157.44

Finding the Fourth Proportional to 576,416,985.20, 795,455,815.03 and 312,099,157.44

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Solution

The fourth proportional to 576,416,985.20, 795,455,815.03 and 312,099,157.44 is: 430,697,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,416,985.20 : 795,455,815.03 = 312,099,157.44 : x
  2. Step 2: Convert to fraction form
    576,416,985.20/795,455,815.03 = 312,099,157.44/x
  3. Step 3: Cross multiply
    576,416,985.20x = 795,455,815.03 × 312,099,157.44
  4. Step 4: Simplify right side
    576,416,985.20x = 248,261,089,651,611,488
  5. Step 5: Solve for x
    x = 248,261,089,651,611,488/576,416,985.20
  6. Step 6: Final answer
    x = 430,697,040.56

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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.