Home / 860,794,851.62-1,188,263,431.55-578,700,896.60

Finding the Fourth Proportional to 860,794,851.62, 1,188,263,431.55 and 578,700,896.60

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Solution

The fourth proportional to 860,794,851.62, 1,188,263,431.55 and 578,700,896.60 is: 798,853,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,794,851.62 : 1,188,263,431.55 = 578,700,896.60 : x
  2. Step 2: Convert to fraction form
    860,794,851.62/1,188,263,431.55 = 578,700,896.60/x
  3. Step 3: Cross multiply
    860,794,851.62x = 1,188,263,431.55 × 578,700,896.60
  4. Step 4: Simplify right side
    860,794,851.62x = 687,649,113,234,977,792
  5. Step 5: Solve for x
    x = 687,649,113,234,977,792/860,794,851.62
  6. Step 6: Final answer
    x = 798,853,654.78

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1.5x scale

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.