Finding the Fourth Proportional to 1,056,115,633.80, 1,584,173,450.70 and 965,341,720.20
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Solution
The fourth proportional to 1,056,115,633.80, 1,584,173,450.70 and 965,341,720.20 is: 1,448,012,580.30
Step by Step Solution
- Step 1: Write the proportion equation
1,056,115,633.80 : 1,584,173,450.70 = 965,341,720.20 : x - Step 2: Convert to fraction form
1,056,115,633.80/1,584,173,450.70 = 965,341,720.20/x - Step 3: Cross multiply
1,056,115,633.80x = 1,584,173,450.70 × 965,341,720.20 - Step 4: Simplify right side
1,056,115,633.80x = 1,529,268,723,993,907,968 - Step 5: Solve for x
x = 1,529,268,723,993,907,968/1,056,115,633.80 - Step 6: Final answer
x = 1,448,012,580.30
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1.5x scale
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.