Home / 1,333,261,853.28-1,991,783,693.52-863,093,008.32

Finding the Fourth Proportional to 1,333,261,853.28, 1,991,783,693.52 and 863,093,008.32

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Solution

The fourth proportional to 1,333,261,853.28, 1,991,783,693.52 and 863,093,008.32 is: 1,289,390,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,261,853.28 : 1,991,783,693.52 = 863,093,008.32 : x
  2. Step 2: Convert to fraction form
    1,333,261,853.28/1,991,783,693.52 = 863,093,008.32/x
  3. Step 3: Cross multiply
    1,333,261,853.28x = 1,991,783,693.52 × 863,093,008.32
  4. Step 4: Simplify right side
    1,333,261,853.28x = 1,719,094,579,962,897,664
  5. Step 5: Solve for x
    x = 1,719,094,579,962,897,664/1,333,261,853.28
  6. Step 6: Final answer
    x = 1,289,390,059.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.