Home / 1,242,317,474,982.20-1,863,662,538,264-436,342,358,146.92

Finding the Fourth Proportional to 1,242,317,474,982.20, 1,863,662,538,264 and 436,342,358,146.92

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Solution

The fourth proportional to 1,242,317,474,982.20, 1,863,662,538,264 and 436,342,358,146.92 is: 654,578,980,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,317,474,982.20 : 1,863,662,538,264 = 436,342,358,146.92 : x
  2. Step 2: Convert to fraction form
    1,242,317,474,982.20/1,863,662,538,264 = 436,342,358,146.92/x
  3. Step 3: Cross multiply
    1,242,317,474,982.20x = 1,863,662,538,264 × 436,342,358,146.92
  4. Step 4: Simplify right side
    1,242,317,474,982.20x = 813,194,906,736,188,224,176,128
  5. Step 5: Solve for x
    x = 813,194,906,736,188,224,176,128/1,242,317,474,982.20
  6. Step 6: Final answer
    x = 654,578,980,906.50

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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.