Home / 908,015,422.40-1,362,214,423.20-294,551,748.80

Finding the Fourth Proportional to 908,015,422.40, 1,362,214,423.20 and 294,551,748.80

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Solution

The fourth proportional to 908,015,422.40, 1,362,214,423.20 and 294,551,748.80 is: 441,889,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,015,422.40 : 1,362,214,423.20 = 294,551,748.80 : x
  2. Step 2: Convert to fraction form
    908,015,422.40/1,362,214,423.20 = 294,551,748.80/x
  3. Step 3: Cross multiply
    908,015,422.40x = 1,362,214,423.20 × 294,551,748.80
  4. Step 4: Simplify right side
    908,015,422.40x = 401,242,640,594,143,296
  5. Step 5: Solve for x
    x = 401,242,640,594,143,296/908,015,422.40
  6. Step 6: Final answer
    x = 441,889,675.77

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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.