Home / 471,276,863.14-706,430,247.93-209,084,891.50

Finding the Fourth Proportional to 471,276,863.14, 706,430,247.93 and 209,084,891.50

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Solution

The fourth proportional to 471,276,863.14, 706,430,247.93 and 209,084,891.50 is: 313,412,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,276,863.14 : 706,430,247.93 = 209,084,891.50 : x
  2. Step 2: Convert to fraction form
    471,276,863.14/706,430,247.93 = 209,084,891.50/x
  3. Step 3: Cross multiply
    471,276,863.14x = 706,430,247.93 × 209,084,891.50
  4. Step 4: Simplify right side
    471,276,863.14x = 147,703,891,740,762,144
  5. Step 5: Solve for x
    x = 147,703,891,740,762,144/471,276,863.14
  6. Step 6: Final answer
    x = 313,412,143.25

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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.