Home / 14,399,534,405.54-19,871,211,076.89-7,969,366,931.96

Finding the Fourth Proportional to 14,399,534,405.54, 19,871,211,076.89 and 7,969,366,931.96

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Solution

The fourth proportional to 14,399,534,405.54, 19,871,211,076.89 and 7,969,366,931.96 is: 10,997,645,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399,534,405.54 : 19,871,211,076.89 = 7,969,366,931.96 : x
  2. Step 2: Convert to fraction form
    14,399,534,405.54/19,871,211,076.89 = 7,969,366,931.96/x
  3. Step 3: Cross multiply
    14,399,534,405.54x = 19,871,211,076.89 × 7,969,366,931.96
  4. Step 4: Simplify right side
    14,399,534,405.54x = 158,360,972,454,164,430,848
  5. Step 5: Solve for x
    x = 158,360,972,454,164,430,848/14,399,534,405.54
  6. Step 6: Final answer
    x = 10,997,645,340.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.