Home / 2,125,769,905.60-3,188,654,858.40-961,276,386.40

Finding the Fourth Proportional to 2,125,769,905.60, 3,188,654,858.40 and 961,276,386.40

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Solution

The fourth proportional to 2,125,769,905.60, 3,188,654,858.40 and 961,276,386.40 is: 1,441,914,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,769,905.60 : 3,188,654,858.40 = 961,276,386.40 : x
  2. Step 2: Convert to fraction form
    2,125,769,905.60/3,188,654,858.40 = 961,276,386.40/x
  3. Step 3: Cross multiply
    2,125,769,905.60x = 3,188,654,858.40 × 961,276,386.40
  4. Step 4: Simplify right side
    2,125,769,905.60x = 3,065,178,619,759,555,584
  5. Step 5: Solve for x
    x = 3,065,178,619,759,555,584/2,125,769,905.60
  6. Step 6: Final answer
    x = 1,441,914,579.60

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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.