Finding the Fourth Proportional to 885,661,770.84, 1,328,619,442.50 and 272,297,497.56
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Solution
The fourth proportional to 885,661,770.84, 1,328,619,442.50 and 272,297,497.56 is: 408,485,226.88
Step by Step Solution
- Step 1: Write the proportion equation
885,661,770.84 : 1,328,619,442.50 = 272,297,497.56 : x - Step 2: Convert to fraction form
885,661,770.84/1,328,619,442.50 = 272,297,497.56/x - Step 3: Cross multiply
885,661,770.84x = 1,328,619,442.50 × 272,297,497.56 - Step 4: Simplify right side
885,661,770.84x = 361,779,749,402,312,320 - Step 5: Solve for x
x = 361,779,749,402,312,320/885,661,770.84 - Step 6: Final answer
x = 408,485,226.88
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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.