Home / 409,233,535.36-613,841,440.05-114,120,780.94

Finding the Fourth Proportional to 409,233,535.36, 613,841,440.05 and 114,120,780.94

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Solution

The fourth proportional to 409,233,535.36, 613,841,440.05 and 114,120,780.94 is: 171,178,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,233,535.36 : 613,841,440.05 = 114,120,780.94 : x
  2. Step 2: Convert to fraction form
    409,233,535.36/613,841,440.05 = 114,120,780.94/x
  3. Step 3: Cross multiply
    409,233,535.36x = 613,841,440.05 × 114,120,780.94
  4. Step 4: Simplify right side
    409,233,535.36x = 70,052,064,511,840,184
  5. Step 5: Solve for x
    x = 70,052,064,511,840,184/409,233,535.36
  6. Step 6: Final answer
    x = 171,178,699.84

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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.