Home / 605,412,886,797.91-835,076,120,763.93-388,295,180,628.10

Finding the Fourth Proportional to 605,412,886,797.91, 835,076,120,763.93 and 388,295,180,628.10

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Solution

The fourth proportional to 605,412,886,797.91, 835,076,120,763.93 and 388,295,180,628.10 is: 535,594,864,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,412,886,797.91 : 835,076,120,763.93 = 388,295,180,628.10 : x
  2. Step 2: Convert to fraction form
    605,412,886,797.91/835,076,120,763.93 = 388,295,180,628.10/x
  3. Step 3: Cross multiply
    605,412,886,797.91x = 835,076,120,763.93 × 388,295,180,628.10
  4. Step 4: Simplify right side
    605,412,886,797.91x = 324,256,033,150,243,256,139,776
  5. Step 5: Solve for x
    x = 324,256,033,150,243,256,139,776/605,412,886,797.91
  6. Step 6: Final answer
    x = 535,594,864,630.76

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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.