Finding the Fourth Proportional to 461,773,586.49, 637,310,950.47 and 283,125,881.67
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Solution
The fourth proportional to 461,773,586.49, 637,310,950.47 and 283,125,881.67 is: 390,752,589.64
Step by Step Solution
- Step 1: Write the proportion equation
461,773,586.49 : 637,310,950.47 = 283,125,881.67 : x - Step 2: Convert to fraction form
461,773,586.49/637,310,950.47 = 283,125,881.67/x - Step 3: Cross multiply
461,773,586.49x = 637,310,950.47 × 283,125,881.67 - Step 4: Simplify right side
461,773,586.49x = 180,439,224,749,764,480 - Step 5: Solve for x
x = 180,439,224,749,764,480/461,773,586.49 - Step 6: Final answer
x = 390,752,589.64
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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.