Finding the Fourth Proportional to 1,529,878,178.44, 2,295,285,603.91 and 783,422,469.13
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Solution
The fourth proportional to 1,529,878,178.44, 2,295,285,603.91 and 783,422,469.13 is: 1,175,373,530.08
Step by Step Solution
- Step 1: Write the proportion equation
1,529,878,178.44 : 2,295,285,603.91 = 783,422,469.13 : x - Step 2: Convert to fraction form
1,529,878,178.44/2,295,285,603.91 = 783,422,469.13/x - Step 3: Cross multiply
1,529,878,178.44x = 2,295,285,603.91 × 783,422,469.13 - Step 4: Simplify right side
1,529,878,178.44x = 1,798,178,315,173,715,200 - Step 5: Solve for x
x = 1,798,178,315,173,715,200/1,529,878,178.44 - Step 6: Final answer
x = 1,175,373,530.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.