Home / 1,242,317,475,168.80-1,863,662,538,544-436,342,358,333.60

Finding the Fourth Proportional to 1,242,317,475,168.80, 1,863,662,538,544 and 436,342,358,333.60

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Solution

The fourth proportional to 1,242,317,475,168.80, 1,863,662,538,544 and 436,342,358,333.60 is: 654,578,981,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,317,475,168.80 : 1,863,662,538,544 = 436,342,358,333.60 : x
  2. Step 2: Convert to fraction form
    1,242,317,475,168.80/1,863,662,538,544 = 436,342,358,333.60/x
  3. Step 3: Cross multiply
    1,242,317,475,168.80x = 1,863,662,538,544 × 436,342,358,333.60
  4. Step 4: Simplify right side
    1,242,317,475,168.80x = 813,194,907,206,272,663,158,784
  5. Step 5: Solve for x
    x = 813,194,907,206,272,663,158,784/1,242,317,475,168.80
  6. Step 6: Final answer
    x = 654,578,981,186.58

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Double scale
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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.