Finding the Fourth Proportional to 7,461,134,566.62, 11,187,774,787.95 and 5,100,970,489.09
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Solution
The fourth proportional to 7,461,134,566.62, 11,187,774,787.95 and 5,100,970,489.09 is: 7,648,770,910.42
Step by Step Solution
- Step 1: Write the proportion equation
7,461,134,566.62 : 11,187,774,787.95 = 5,100,970,489.09 : x - Step 2: Convert to fraction form
7,461,134,566.62/11,187,774,787.95 = 5,100,970,489.09/x - Step 3: Cross multiply
7,461,134,566.62x = 11,187,774,787.95 × 5,100,970,489.09 - Step 4: Simplify right side
7,461,134,566.62x = 57,068,509,031,872,348,160 - Step 5: Solve for x
x = 57,068,509,031,872,348,160/7,461,134,566.62 - Step 6: Final answer
x = 7,648,770,910.42
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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.