Finding the Fourth Proportional to 532,557,688.80, 734,930,606.26 and 297,608,349.54
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Solution
The fourth proportional to 532,557,688.80, 734,930,606.26 and 297,608,349.54 is: 410,700,078.80
Step by Step Solution
- Step 1: Write the proportion equation
532,557,688.80 : 734,930,606.26 = 297,608,349.54 : x - Step 2: Convert to fraction form
532,557,688.80/734,930,606.26 = 297,608,349.54/x - Step 3: Cross multiply
532,557,688.80x = 734,930,606.26 × 297,608,349.54 - Step 4: Simplify right side
532,557,688.80x = 218,721,484,755,470,208 - Step 5: Solve for x
x = 218,721,484,755,470,208/532,557,688.80 - Step 6: Final answer
x = 410,700,078.80
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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.