Home / 852,144,614.40-1,278,216,921.60-306,815,289.60

Finding the Fourth Proportional to 852,144,614.40, 1,278,216,921.60 and 306,815,289.60

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Solution

The fourth proportional to 852,144,614.40, 1,278,216,921.60 and 306,815,289.60 is: 460,222,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,144,614.40 : 1,278,216,921.60 = 306,815,289.60 : x
  2. Step 2: Convert to fraction form
    852,144,614.40/1,278,216,921.60 = 306,815,289.60/x
  3. Step 3: Cross multiply
    852,144,614.40x = 1,278,216,921.60 × 306,815,289.60
  4. Step 4: Simplify right side
    852,144,614.40x = 392,176,494,972,324,480
  5. Step 5: Solve for x
    x = 392,176,494,972,324,480/852,144,614.40
  6. Step 6: Final answer
    x = 460,222,934.40

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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.