Home / 1,991,042,094.60-2,986,563,141.90-1,256,378,056.20

Finding the Fourth Proportional to 1,991,042,094.60, 2,986,563,141.90 and 1,256,378,056.20

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Solution

The fourth proportional to 1,991,042,094.60, 2,986,563,141.90 and 1,256,378,056.20 is: 1,884,567,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,042,094.60 : 2,986,563,141.90 = 1,256,378,056.20 : x
  2. Step 2: Convert to fraction form
    1,991,042,094.60/2,986,563,141.90 = 1,256,378,056.20/x
  3. Step 3: Cross multiply
    1,991,042,094.60x = 2,986,563,141.90 × 1,256,378,056.20
  4. Step 4: Simplify right side
    1,991,042,094.60x = 3,752,252,394,938,887,168
  5. Step 5: Solve for x
    x = 3,752,252,394,938,887,168/1,991,042,094.60
  6. Step 6: Final answer
    x = 1,884,567,084.30

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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.