Finding the Fourth Proportional to 911,783,049.10, 1,368,346,420.05 and 366,915,618.70
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Solution
The fourth proportional to 911,783,049.10, 1,368,346,420.05 and 366,915,618.70 is: 550,643,789.45
Step by Step Solution
- Step 1: Write the proportion equation
911,783,049.10 : 1,368,346,420.05 = 366,915,618.70 : x - Step 2: Convert to fraction form
911,783,049.10/1,368,346,420.05 = 366,915,618.70/x - Step 3: Cross multiply
911,783,049.10x = 1,368,346,420.05 × 366,915,618.70 - Step 4: Simplify right side
911,783,049.10x = 502,067,673,308,575,808 - Step 5: Solve for x
x = 502,067,673,308,575,808/911,783,049.10 - Step 6: Final answer
x = 550,643,789.45
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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.