Finding the Fourth Proportional to 4,912,805,763.42, 7,361,709,963.21 and 2,916,917,513.85
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Solution
The fourth proportional to 4,912,805,763.42, 7,361,709,963.21 and 2,916,917,513.85 is: 4,370,924,021.35
Step by Step Solution
- Step 1: Write the proportion equation
4,912,805,763.42 : 7,361,709,963.21 = 2,916,917,513.85 : x - Step 2: Convert to fraction form
4,912,805,763.42/7,361,709,963.21 = 2,916,917,513.85/x - Step 3: Cross multiply
4,912,805,763.42x = 7,361,709,963.21 × 2,916,917,513.85 - Step 4: Simplify right side
4,912,805,763.42x = 21,473,500,723,571,286,016 - Step 5: Solve for x
x = 21,473,500,723,571,286,016/4,912,805,763.42 - Step 6: Final answer
x = 4,370,924,021.35
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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.