Home / 852,100,040.90-1,278,150,061.35-484,768,021.70

Finding the Fourth Proportional to 852,100,040.90, 1,278,150,061.35 and 484,768,021.70

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Solution

The fourth proportional to 852,100,040.90, 1,278,150,061.35 and 484,768,021.70 is: 727,152,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,100,040.90 : 1,278,150,061.35 = 484,768,021.70 : x
  2. Step 2: Convert to fraction form
    852,100,040.90/1,278,150,061.35 = 484,768,021.70/x
  3. Step 3: Cross multiply
    852,100,040.90x = 1,278,150,061.35 × 484,768,021.70
  4. Step 4: Simplify right side
    852,100,040.90x = 619,606,276,676,373,120
  5. Step 5: Solve for x
    x = 619,606,276,676,373,120/852,100,040.90
  6. Step 6: Final answer
    x = 727,152,032.55

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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.