Finding the Fourth Proportional to 453,448,488.89, 625,738,784.99 and 252,515,727.45
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Solution
The fourth proportional to 453,448,488.89, 625,738,784.99 and 252,515,727.45 is: 348,460,494.09
Step by Step Solution
- Step 1: Write the proportion equation
453,448,488.89 : 625,738,784.99 = 252,515,727.45 : x - Step 2: Convert to fraction form
453,448,488.89/625,738,784.99 = 252,515,727.45/x - Step 3: Cross multiply
453,448,488.89x = 625,738,784.99 × 252,515,727.45 - Step 4: Simplify right side
453,448,488.89x = 158,008,884,484,166,400 - Step 5: Solve for x
x = 158,008,884,484,166,400/453,448,488.89 - Step 6: Final answer
x = 348,460,494.09
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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.