Home / 1,090,662,346.44-1,636,154,969.52-400,515,792.24

Finding the Fourth Proportional to 1,090,662,346.44, 1,636,154,969.52 and 400,515,792.24

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Solution

The fourth proportional to 1,090,662,346.44, 1,636,154,969.52 and 400,515,792.24 is: 600,832,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,662,346.44 : 1,636,154,969.52 = 400,515,792.24 : x
  2. Step 2: Convert to fraction form
    1,090,662,346.44/1,636,154,969.52 = 400,515,792.24/x
  3. Step 3: Cross multiply
    1,090,662,346.44x = 1,636,154,969.52 × 400,515,792.24
  4. Step 4: Simplify right side
    1,090,662,346.44x = 655,305,903,844,715,904
  5. Step 5: Solve for x
    x = 655,305,903,844,715,904/1,090,662,346.44
  6. Step 6: Final answer
    x = 600,832,976.39

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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.