Home / 649,185,412.60-973,872,597.30-212,380,276.60

Finding the Fourth Proportional to 649,185,412.60, 973,872,597.30 and 212,380,276.60

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Solution

The fourth proportional to 649,185,412.60, 973,872,597.30 and 212,380,276.60 is: 318,601,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,185,412.60 : 973,872,597.30 = 212,380,276.60 : x
  2. Step 2: Convert to fraction form
    649,185,412.60/973,872,597.30 = 212,380,276.60/x
  3. Step 3: Cross multiply
    649,185,412.60x = 973,872,597.30 × 212,380,276.60
  4. Step 4: Simplify right side
    649,185,412.60x = 206,831,331,587,734,400
  5. Step 5: Solve for x
    x = 206,831,331,587,734,400/649,185,412.60
  6. Step 6: Final answer
    x = 318,601,323.40

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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.