Finding the Fourth Proportional to 384,641,288.94, 577,015,821.09 and 125,876,848.62
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Solution
The fourth proportional to 384,641,288.94, 577,015,821.09 and 125,876,848.62 is: 188,832,908.09
Step by Step Solution
- Step 1: Write the proportion equation
384,641,288.94 : 577,015,821.09 = 125,876,848.62 : x - Step 2: Convert to fraction form
384,641,288.94/577,015,821.09 = 125,876,848.62/x - Step 3: Cross multiply
384,641,288.94x = 577,015,821.09 × 125,876,848.62 - Step 4: Simplify right side
384,641,288.94x = 72,632,933,162,690,944 - Step 5: Solve for x
x = 72,632,933,162,690,944/384,641,288.94 - Step 6: Final answer
x = 188,832,908.09
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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.