Finding the Fourth Proportional to 686,598,845.14, 1,029,898,267.70 and 201,924,653.14
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Solution
The fourth proportional to 686,598,845.14, 1,029,898,267.70 and 201,924,653.14 is: 302,886,979.71
Step by Step Solution
- Step 1: Write the proportion equation
686,598,845.14 : 1,029,898,267.70 = 201,924,653.14 : x - Step 2: Convert to fraction form
686,598,845.14/1,029,898,267.70 = 201,924,653.14/x - Step 3: Cross multiply
686,598,845.14x = 1,029,898,267.70 × 201,924,653.14 - Step 4: Simplify right side
686,598,845.14x = 207,961,850,474,809,376 - Step 5: Solve for x
x = 207,961,850,474,809,376/686,598,845.14 - Step 6: Final answer
x = 302,886,979.71
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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.