Finding the Fourth Proportional to 14,216,354,735.99, 19,619,186,230.17 and 7,872,722,569.89
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Solution
The fourth proportional to 14,216,354,735.99, 19,619,186,230.17 and 7,872,722,569.89 is: 10,864,698,659.09
Step by Step Solution
- Step 1: Write the proportion equation
14,216,354,735.99 : 19,619,186,230.17 = 7,872,722,569.89 : x - Step 2: Convert to fraction form
14,216,354,735.99/19,619,186,230.17 = 7,872,722,569.89/x - Step 3: Cross multiply
14,216,354,735.99x = 19,619,186,230.17 × 7,872,722,569.89 - Step 4: Simplify right side
14,216,354,735.99x = 154,456,410,237,134,471,168 - Step 5: Solve for x
x = 154,456,410,237,134,471,168/14,216,354,735.99 - Step 6: Final answer
x = 10,864,698,659.09
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1.5x scale
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.