Home / 1,165,119,185.42-1,747,693,923.32-388,764,846.22

Finding the Fourth Proportional to 1,165,119,185.42, 1,747,693,923.32 and 388,764,846.22

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Solution

The fourth proportional to 1,165,119,185.42, 1,747,693,923.32 and 388,764,846.22 is: 583,152,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,119,185.42 : 1,747,693,923.32 = 388,764,846.22 : x
  2. Step 2: Convert to fraction form
    1,165,119,185.42/1,747,693,923.32 = 388,764,846.22/x
  3. Step 3: Cross multiply
    1,165,119,185.42x = 1,747,693,923.32 × 388,764,846.22
  4. Step 4: Simplify right side
    1,165,119,185.42x = 679,441,959,339,128,320
  5. Step 5: Solve for x
    x = 679,441,959,339,128,320/1,165,119,185.42
  6. Step 6: Final answer
    x = 583,152,322.82

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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.