Finding the Fourth Proportional to 276,403,454.91, 413,800,577.29 and 144,933,976.53
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Solution
The fourth proportional to 276,403,454.91, 413,800,577.29 and 144,933,976.53 is: 216,979,064.81
Step by Step Solution
- Step 1: Write the proportion equation
276,403,454.91 : 413,800,577.29 = 144,933,976.53 : x - Step 2: Convert to fraction form
276,403,454.91/413,800,577.29 = 144,933,976.53/x - Step 3: Cross multiply
276,403,454.91x = 413,800,577.29 × 144,933,976.53 - Step 4: Simplify right side
276,403,454.91x = 59,973,763,157,049,312 - Step 5: Solve for x
x = 59,973,763,157,049,312/276,403,454.91 - Step 6: Final answer
x = 216,979,064.81
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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.