Home / 386,735,843.16-579,715,886.28-179,619,706.62

Finding the Fourth Proportional to 386,735,843.16, 579,715,886.28 and 179,619,706.62

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Solution

The fourth proportional to 386,735,843.16, 579,715,886.28 and 179,619,706.62 is: 269,249,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,735,843.16 : 579,715,886.28 = 179,619,706.62 : x
  2. Step 2: Convert to fraction form
    386,735,843.16/579,715,886.28 = 179,619,706.62/x
  3. Step 3: Cross multiply
    386,735,843.16x = 579,715,886.28 × 179,619,706.62
  4. Step 4: Simplify right side
    386,735,843.16x = 104,128,397,416,566,880
  5. Step 5: Solve for x
    x = 104,128,397,416,566,880/386,735,843.16
  6. Step 6: Final answer
    x = 269,249,409.53

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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.