Finding the Fourth Proportional to 479,506,805,784.05, 719,304,421,921.45 and 156,811,293,193.96
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Solution
The fourth proportional to 479,506,805,784.05, 719,304,421,921.45 and 156,811,293,193.96 is: 235,231,398,680.99
Step by Step Solution
- Step 1: Write the proportion equation
479,506,805,784.05 : 719,304,421,921.45 = 156,811,293,193.96 : x - Step 2: Convert to fraction form
479,506,805,784.05/719,304,421,921.45 = 156,811,293,193.96/x - Step 3: Cross multiply
479,506,805,784.05x = 719,304,421,921.45 × 156,811,293,193.96 - Step 4: Simplify right side
479,506,805,784.05x = 112,795,056,601,636,385,325,056 - Step 5: Solve for x
x = 112,795,056,601,636,385,325,056/479,506,805,784.05 - Step 6: Final answer
x = 235,231,398,680.99
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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.