Home / 1,216,094,164.96-1,678,164,986.64-659,165,255.68

Finding the Fourth Proportional to 1,216,094,164.96, 1,678,164,986.64 and 659,165,255.68

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Solution

The fourth proportional to 1,216,094,164.96, 1,678,164,986.64 and 659,165,255.68 is: 909,623,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,094,164.96 : 1,678,164,986.64 = 659,165,255.68 : x
  2. Step 2: Convert to fraction form
    1,216,094,164.96/1,678,164,986.64 = 659,165,255.68/x
  3. Step 3: Cross multiply
    1,216,094,164.96x = 1,678,164,986.64 × 659,165,255.68
  4. Step 4: Simplify right side
    1,216,094,164.96x = 1,106,188,052,491,779,328
  5. Step 5: Solve for x
    x = 1,106,188,052,491,779,328/1,216,094,164.96
  6. Step 6: Final answer
    x = 909,623,682.41

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Double scale
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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.