Home / 414,483,874.40-621,725,811.60-127,232,213.60

Finding the Fourth Proportional to 414,483,874.40, 621,725,811.60 and 127,232,213.60

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Solution

The fourth proportional to 414,483,874.40, 621,725,811.60 and 127,232,213.60 is: 190,848,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,483,874.40 : 621,725,811.60 = 127,232,213.60 : x
  2. Step 2: Convert to fraction form
    414,483,874.40/621,725,811.60 = 127,232,213.60/x
  3. Step 3: Cross multiply
    414,483,874.40x = 621,725,811.60 × 127,232,213.60
  4. Step 4: Simplify right side
    414,483,874.40x = 79,103,551,262,124,560
  5. Step 5: Solve for x
    x = 79,103,551,262,124,560/414,483,874.40
  6. Step 6: Final answer
    x = 190,848,320.40

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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.