Finding the Fourth Proportional to 268,902,442.60, 403,353,663.90 and 177,069,437.80
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Solution
The fourth proportional to 268,902,442.60, 403,353,663.90 and 177,069,437.80 is: 265,604,156.70
Step by Step Solution
- Step 1: Write the proportion equation
268,902,442.60 : 403,353,663.90 = 177,069,437.80 : x - Step 2: Convert to fraction form
268,902,442.60/403,353,663.90 = 177,069,437.80/x - Step 3: Cross multiply
268,902,442.60x = 403,353,663.90 × 177,069,437.80 - Step 4: Simplify right side
268,902,442.60x = 71,421,606,501,343,160 - Step 5: Solve for x
x = 71,421,606,501,343,160/268,902,442.60 - Step 6: Final answer
x = 265,604,156.70
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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.