Home / 1,407,918,492.11-2,111,958,443.87-372,752,474.33

Finding the Fourth Proportional to 1,407,918,492.11, 2,111,958,443.87 and 372,752,474.33

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Solution

The fourth proportional to 1,407,918,492.11, 2,111,958,443.87 and 372,752,474.33 is: 559,150,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,918,492.11 : 2,111,958,443.87 = 372,752,474.33 : x
  2. Step 2: Convert to fraction form
    1,407,918,492.11/2,111,958,443.87 = 372,752,474.33/x
  3. Step 3: Cross multiply
    1,407,918,492.11x = 2,111,958,443.87 × 372,752,474.33
  4. Step 4: Simplify right side
    1,407,918,492.11x = 787,237,735,632,815,104
  5. Step 5: Solve for x
    x = 787,237,735,632,815,104/1,407,918,492.11
  6. Step 6: Final answer
    x = 559,150,078.68

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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.