Finding the Fourth Proportional to 288,486,539.82, 432,733,133.94 and 104,268,006.54
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Solution
The fourth proportional to 288,486,539.82, 432,733,133.94 and 104,268,006.54 is: 156,403,211.28
Step by Step Solution
- Step 1: Write the proportion equation
288,486,539.82 : 432,733,133.94 = 104,268,006.54 : x - Step 2: Convert to fraction form
288,486,539.82/432,733,133.94 = 104,268,006.54/x - Step 3: Cross multiply
288,486,539.82x = 432,733,133.94 × 104,268,006.54 - Step 4: Simplify right side
288,486,539.82x = 45,120,221,239,730,616 - Step 5: Solve for x
x = 45,120,221,239,730,616/288,486,539.82 - Step 6: Final answer
x = 156,403,211.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.