Home / 1,180,101,051.35-1,628,544,652.39-651,469,381.33

Finding the Fourth Proportional to 1,180,101,051.35, 1,628,544,652.39 and 651,469,381.33

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Solution

The fourth proportional to 1,180,101,051.35, 1,628,544,652.39 and 651,469,381.33 is: 899,030,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,101,051.35 : 1,628,544,652.39 = 651,469,381.33 : x
  2. Step 2: Convert to fraction form
    1,180,101,051.35/1,628,544,652.39 = 651,469,381.33/x
  3. Step 3: Cross multiply
    1,180,101,051.35x = 1,628,544,652.39 × 651,469,381.33
  4. Step 4: Simplify right side
    1,180,101,051.35x = 1,060,946,977,157,535,872
  5. Step 5: Solve for x
    x = 1,060,946,977,157,535,872/1,180,101,051.35
  6. Step 6: Final answer
    x = 899,030,617.72

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Double scale
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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.