Finding the Fourth Proportional to 726,686,053.99, 1,089,976,354.54 and 283,945,484.75
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Solution
The fourth proportional to 726,686,053.99, 1,089,976,354.54 and 283,945,484.75 is: 425,897,624.77
Step by Step Solution
- Step 1: Write the proportion equation
726,686,053.99 : 1,089,976,354.54 = 283,945,484.75 : x - Step 2: Convert to fraction form
726,686,053.99/1,089,976,354.54 = 283,945,484.75/x - Step 3: Cross multiply
726,686,053.99x = 1,089,976,354.54 × 283,945,484.75 - Step 4: Simplify right side
726,686,053.99x = 309,493,864,349,738,368 - Step 5: Solve for x
x = 309,493,864,349,738,368/726,686,053.99 - Step 6: Final answer
x = 425,897,624.77
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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.