Finding the Fourth Proportional to 467,139,573.92, 644,348,859.68 and 299,610,479.66
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Solution
The fourth proportional to 467,139,573.92, 644,348,859.68 and 299,610,479.66 is: 413,267,643.53
Step by Step Solution
- Step 1: Write the proportion equation
467,139,573.92 : 644,348,859.68 = 299,610,479.66 : x - Step 2: Convert to fraction form
467,139,573.92/644,348,859.68 = 299,610,479.66/x - Step 3: Cross multiply
467,139,573.92x = 644,348,859.68 × 299,610,479.66 - Step 4: Simplify right side
467,139,573.92x = 193,053,670,913,877,056 - Step 5: Solve for x
x = 193,053,670,913,877,056/467,139,573.92 - Step 6: Final answer
x = 413,267,643.53
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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.