Finding the Fourth Proportional to 7,865,512,584.81, 10,854,411,722.04 and 4,248,536,306.82
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Solution
The fourth proportional to 7,865,512,584.81, 10,854,411,722.04 and 4,248,536,306.82 is: 5,862,982,455.75
Step by Step Solution
- Step 1: Write the proportion equation
7,865,512,584.81 : 10,854,411,722.04 = 4,248,536,306.82 : x - Step 2: Convert to fraction form
7,865,512,584.81/10,854,411,722.04 = 4,248,536,306.82/x - Step 3: Cross multiply
7,865,512,584.81x = 10,854,411,722.04 × 4,248,536,306.82 - Step 4: Simplify right side
7,865,512,584.81x = 46,115,362,290,259,542,016 - Step 5: Solve for x
x = 46,115,362,290,259,542,016/7,865,512,584.81 - Step 6: Final answer
x = 5,862,982,455.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.