Finding the Fourth Proportional to 680,924,842.16, 1,021,530,730.56 and 220,827,135.68
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Solution
The fourth proportional to 680,924,842.16, 1,021,530,730.56 and 220,827,135.68 is: 331,287,230.65
Step by Step Solution
- Step 1: Write the proportion equation
680,924,842.16 : 1,021,530,730.56 = 220,827,135.68 : x - Step 2: Convert to fraction form
680,924,842.16/1,021,530,730.56 = 220,827,135.68/x - Step 3: Cross multiply
680,924,842.16x = 1,021,530,730.56 × 220,827,135.68 - Step 4: Simplify right side
680,924,842.16x = 225,581,705,238,662,624 - Step 5: Solve for x
x = 225,581,705,238,662,624/680,924,842.16 - Step 6: Final answer
x = 331,287,230.65
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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.