Finding the Fourth Proportional to 911,783,047.10, 1,368,346,417.05 and 366,915,616.70
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Solution
The fourth proportional to 911,783,047.10, 1,368,346,417.05 and 366,915,616.70 is: 550,643,786.44
Step by Step Solution
- Step 1: Write the proportion equation
911,783,047.10 : 1,368,346,417.05 = 366,915,616.70 : x - Step 2: Convert to fraction form
911,783,047.10/1,368,346,417.05 = 366,915,616.70/x - Step 3: Cross multiply
911,783,047.10x = 1,368,346,417.05 × 366,915,616.70 - Step 4: Simplify right side
911,783,047.10x = 502,067,669,471,136,128 - Step 5: Solve for x
x = 502,067,669,471,136,128/911,783,047.10 - Step 6: Final answer
x = 550,643,786.44
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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.