Finding the Fourth Proportional to 920,296,081.54, 1,270,039,931.90 and 544,275,001.99
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Solution
The fourth proportional to 920,296,081.54, 1,270,039,931.90 and 544,275,001.99 is: 751,118,037.26
Step by Step Solution
- Step 1: Write the proportion equation
920,296,081.54 : 1,270,039,931.90 = 544,275,001.99 : x - Step 2: Convert to fraction form
920,296,081.54/1,270,039,931.90 = 544,275,001.99/x - Step 3: Cross multiply
920,296,081.54x = 1,270,039,931.90 × 544,275,001.99 - Step 4: Simplify right side
920,296,081.54x = 691,250,986,462,252,032 - Step 5: Solve for x
x = 691,250,986,462,252,032/920,296,081.54 - Step 6: Final answer
x = 751,118,037.26
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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.