Finding the Fourth Proportional to 546,121,423.73, 753,852,513.45 and 357,961,843.28
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Solution
The fourth proportional to 546,121,423.73, 753,852,513.45 and 357,961,843.28 is: 494,121,679.82
Step by Step Solution
- Step 1: Write the proportion equation
546,121,423.73 : 753,852,513.45 = 357,961,843.28 : x - Step 2: Convert to fraction form
546,121,423.73/753,852,513.45 = 357,961,843.28/x - Step 3: Cross multiply
546,121,423.73x = 753,852,513.45 × 357,961,843.28 - Step 4: Simplify right side
546,121,423.73x = 269,850,435,279,050,016 - Step 5: Solve for x
x = 269,850,435,279,050,016/546,121,423.73 - Step 6: Final answer
x = 494,121,679.82
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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.