Home / 1,195,614,096.58-1,649,942,872.05-666,977,661.64

Finding the Fourth Proportional to 1,195,614,096.58, 1,649,942,872.05 and 666,977,661.64

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Solution

The fourth proportional to 1,195,614,096.58, 1,649,942,872.05 and 666,977,661.64 is: 920,426,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,614,096.58 : 1,649,942,872.05 = 666,977,661.64 : x
  2. Step 2: Convert to fraction form
    1,195,614,096.58/1,649,942,872.05 = 666,977,661.64/x
  3. Step 3: Cross multiply
    1,195,614,096.58x = 1,649,942,872.05 × 666,977,661.64
  4. Step 4: Simplify right side
    1,195,614,096.58x = 1,100,475,038,639,494,656
  5. Step 5: Solve for x
    x = 1,100,475,038,639,494,656/1,195,614,096.58
  6. Step 6: Final answer
    x = 920,426,617.41

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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.