Home / 264,220,209.20-396,330,313.80-166,009,912.40

Finding the Fourth Proportional to 264,220,209.20, 396,330,313.80 and 166,009,912.40

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Solution

The fourth proportional to 264,220,209.20, 396,330,313.80 and 166,009,912.40 is: 249,014,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,220,209.20 : 396,330,313.80 = 166,009,912.40 : x
  2. Step 2: Convert to fraction form
    264,220,209.20/396,330,313.80 = 166,009,912.40/x
  3. Step 3: Cross multiply
    264,220,209.20x = 396,330,313.80 × 166,009,912.40
  4. Step 4: Simplify right side
    264,220,209.20x = 65,794,760,675,402,512
  5. Step 5: Solve for x
    x = 65,794,760,675,402,512/264,220,209.20
  6. Step 6: Final answer
    x = 249,014,868.60

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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.