Finding the Fourth Proportional to 491,110,320.30, 677,748,282.81 and 268,103,893.08
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Solution
The fourth proportional to 491,110,320.30, 677,748,282.81 and 268,103,893.08 is: 369,992,129.34
Step by Step Solution
- Step 1: Write the proportion equation
491,110,320.30 : 677,748,282.81 = 268,103,893.08 : x - Step 2: Convert to fraction form
491,110,320.30/677,748,282.81 = 268,103,893.08/x - Step 3: Cross multiply
491,110,320.30x = 677,748,282.81 × 268,103,893.08 - Step 4: Simplify right side
491,110,320.30x = 181,706,953,149,645,824 - Step 5: Solve for x
x = 181,706,953,149,645,824/491,110,320.30 - Step 6: Final answer
x = 369,992,129.34
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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.