Home / 836,344,973.94-1,155,336,288.24-670,185,024.54

Finding the Fourth Proportional to 836,344,973.94, 1,155,336,288.24 and 670,185,024.54

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Solution

The fourth proportional to 836,344,973.94, 1,155,336,288.24 and 670,185,024.54 is: 925,801,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,344,973.94 : 1,155,336,288.24 = 670,185,024.54 : x
  2. Step 2: Convert to fraction form
    836,344,973.94/1,155,336,288.24 = 670,185,024.54/x
  3. Step 3: Cross multiply
    836,344,973.94x = 1,155,336,288.24 × 670,185,024.54
  4. Step 4: Simplify right side
    836,344,973.94x = 774,289,078,686,076,928
  5. Step 5: Solve for x
    x = 774,289,078,686,076,928/836,344,973.94
  6. Step 6: Final answer
    x = 925,801,078.28

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1.5x scale

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.