Home / 517,609,616.48-714,393,533.76-305,907,802.64

Finding the Fourth Proportional to 517,609,616.48, 714,393,533.76 and 305,907,802.64

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Solution

The fourth proportional to 517,609,616.48, 714,393,533.76 and 305,907,802.64 is: 422,207,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,609,616.48 : 714,393,533.76 = 305,907,802.64 : x
  2. Step 2: Convert to fraction form
    517,609,616.48/714,393,533.76 = 305,907,802.64/x
  3. Step 3: Cross multiply
    517,609,616.48x = 714,393,533.76 × 305,907,802.64
  4. Step 4: Simplify right side
    517,609,616.48x = 218,538,556,132,746,240
  5. Step 5: Solve for x
    x = 218,538,556,132,746,240/517,609,616.48
  6. Step 6: Final answer
    x = 422,207,295.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.