Home / 1,076,546,385.75-1,485,634,610.13-581,509,099.11

Finding the Fourth Proportional to 1,076,546,385.75, 1,485,634,610.13 and 581,509,099.11

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Solution

The fourth proportional to 1,076,546,385.75, 1,485,634,610.13 and 581,509,099.11 is: 802,482,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,546,385.75 : 1,485,634,610.13 = 581,509,099.11 : x
  2. Step 2: Convert to fraction form
    1,076,546,385.75/1,485,634,610.13 = 581,509,099.11/x
  3. Step 3: Cross multiply
    1,076,546,385.75x = 1,485,634,610.13 × 581,509,099.11
  4. Step 4: Simplify right side
    1,076,546,385.75x = 863,910,043,743,332,480
  5. Step 5: Solve for x
    x = 863,910,043,743,332,480/1,076,546,385.75
  6. Step 6: Final answer
    x = 802,482,879.68

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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.