Home / 1,590,428,787.78-2,384,845,023.72-926,657,318.03

Finding the Fourth Proportional to 1,590,428,787.78, 2,384,845,023.72 and 926,657,318.03

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Solution

The fourth proportional to 1,590,428,787.78, 2,384,845,023.72 and 926,657,318.03 is: 1,389,520,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,428,787.78 : 2,384,845,023.72 = 926,657,318.03 : x
  2. Step 2: Convert to fraction form
    1,590,428,787.78/2,384,845,023.72 = 926,657,318.03/x
  3. Step 3: Cross multiply
    1,590,428,787.78x = 2,384,845,023.72 × 926,657,318.03
  4. Step 4: Simplify right side
    1,590,428,787.78x = 2,209,934,093,597,566,720
  5. Step 5: Solve for x
    x = 2,209,934,093,597,566,720/1,590,428,787.78
  6. Step 6: Final answer
    x = 1,389,520,933.33

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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.