Home / 211,682,607,588.60-317,585,871,811.20-68,258,751,362.52

Finding the Fourth Proportional to 211,682,607,588.60, 317,585,871,811.20 and 68,258,751,362.52

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Solution

The fourth proportional to 211,682,607,588.60, 317,585,871,811.20 and 68,258,751,362.52 is: 102,408,106,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,682,607,588.60 : 317,585,871,811.20 = 68,258,751,362.52 : x
  2. Step 2: Convert to fraction form
    211,682,607,588.60/317,585,871,811.20 = 68,258,751,362.52/x
  3. Step 3: Cross multiply
    211,682,607,588.60x = 317,585,871,811.20 × 68,258,751,362.52
  4. Step 4: Simplify right side
    211,682,607,588.60x = 21,678,015,060,209,848,811,520
  5. Step 5: Solve for x
    x = 21,678,015,060,209,848,811,520/211,682,607,588.60
  6. Step 6: Final answer
    x = 102,408,106,679.89

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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.