Finding the Fourth Proportional to 394,704,347,686.65, 544,695,197,968.10 and 218,723,753,171.97
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Solution
The fourth proportional to 394,704,347,686.65, 544,695,197,968.10 and 218,723,753,171.97 is: 301,840,551,624.51
Step by Step Solution
- Step 1: Write the proportion equation
394,704,347,686.65 : 544,695,197,968.10 = 218,723,753,171.97 : x - Step 2: Convert to fraction form
394,704,347,686.65/544,695,197,968.10 = 218,723,753,171.97/x - Step 3: Cross multiply
394,704,347,686.65x = 544,695,197,968.10 × 218,723,753,171.97 - Step 4: Simplify right side
394,704,347,686.65x = 119,137,778,034,332,036,759,552 - Step 5: Solve for x
x = 119,137,778,034,332,036,759,552/394,704,347,686.65 - Step 6: Final answer
x = 301,840,551,624.51
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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.