Home / 695,474,110.80-1,043,211,166.20-685,270,443.60

Finding the Fourth Proportional to 695,474,110.80, 1,043,211,166.20 and 685,270,443.60

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Solution

The fourth proportional to 695,474,110.80, 1,043,211,166.20 and 685,270,443.60 is: 1,027,905,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,474,110.80 : 1,043,211,166.20 = 685,270,443.60 : x
  2. Step 2: Convert to fraction form
    695,474,110.80/1,043,211,166.20 = 685,270,443.60/x
  3. Step 3: Cross multiply
    695,474,110.80x = 1,043,211,166.20 × 685,270,443.60
  4. Step 4: Simplify right side
    695,474,110.80x = 714,881,778,630,347,392
  5. Step 5: Solve for x
    x = 714,881,778,630,347,392/695,474,110.80
  6. Step 6: Final answer
    x = 1,027,905,665.40

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1.5x scale

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.