Finding the Fourth Proportional to 220,732,346,533.44, 331,098,519,426.42 and 53,039,809,247.80
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Solution
The fourth proportional to 220,732,346,533.44, 331,098,519,426.42 and 53,039,809,247.80 is: 79,559,713,781.89
Step by Step Solution
- Step 1: Write the proportion equation
220,732,346,533.44 : 331,098,519,426.42 = 53,039,809,247.80 : x - Step 2: Convert to fraction form
220,732,346,533.44/331,098,519,426.42 = 53,039,809,247.80/x - Step 3: Cross multiply
220,732,346,533.44x = 331,098,519,426.42 × 53,039,809,247.80 - Step 4: Simplify right side
220,732,346,533.44x = 17,561,402,312,606,319,902,720 - Step 5: Solve for x
x = 17,561,402,312,606,319,902,720/220,732,346,533.44 - Step 6: Final answer
x = 79,559,713,781.89
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1.5x scale
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.