Home / 1,395,089,568.43-2,091,907,731.64-657,961,553.67

Finding the Fourth Proportional to 1,395,089,568.43, 2,091,907,731.64 and 657,961,553.67

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Solution

The fourth proportional to 1,395,089,568.43, 2,091,907,731.64 and 657,961,553.67 is: 986,599,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,089,568.43 : 2,091,907,731.64 = 657,961,553.67 : x
  2. Step 2: Convert to fraction form
    1,395,089,568.43/2,091,907,731.64 = 657,961,553.67/x
  3. Step 3: Cross multiply
    1,395,089,568.43x = 2,091,907,731.64 × 657,961,553.67
  4. Step 4: Simplify right side
    1,395,089,568.43x = 1,376,394,861,244,139,776
  5. Step 5: Solve for x
    x = 1,376,394,861,244,139,776/1,395,089,568.43
  6. Step 6: Final answer
    x = 986,599,636.60

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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.