Finding the Fourth Proportional to 478,802,586.24, 718,234,221.60 and 202,402,287.36
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Solution
The fourth proportional to 478,802,586.24, 718,234,221.60 and 202,402,287.36 is: 303,616,257.49
Step by Step Solution
- Step 1: Write the proportion equation
478,802,586.24 : 718,234,221.60 = 202,402,287.36 : x - Step 2: Convert to fraction form
478,802,586.24/718,234,221.60 = 202,402,287.36/x - Step 3: Cross multiply
478,802,586.24x = 718,234,221.60 × 202,402,287.36 - Step 4: Simplify right side
478,802,586.24x = 145,372,249,312,069,120 - Step 5: Solve for x
x = 145,372,249,312,069,120/478,802,586.24 - Step 6: Final answer
x = 303,616,257.49
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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.