Finding the Fourth Proportional to 540,461,060.74, 745,837,362.84 and 292,942,582.66
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Solution
The fourth proportional to 540,461,060.74, 745,837,362.84 and 292,942,582.66 is: 404,261,359.76
Step by Step Solution
- Step 1: Write the proportion equation
540,461,060.74 : 745,837,362.84 = 292,942,582.66 : x - Step 2: Convert to fraction form
540,461,060.74/745,837,362.84 = 292,942,582.66/x - Step 3: Cross multiply
540,461,060.74x = 745,837,362.84 × 292,942,582.66 - Step 4: Simplify right side
540,461,060.74x = 218,487,523,314,673,152 - Step 5: Solve for x
x = 218,487,523,314,673,152/540,461,060.74 - Step 6: Final answer
x = 404,261,359.76
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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.