Finding the Fourth Proportional to 577,726,134.84, 797,052,838.38 and 379,594,342.20
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Solution
The fourth proportional to 577,726,134.84, 797,052,838.38 and 379,594,342.20 is: 523,702,719.40
Step by Step Solution
- Step 1: Write the proportion equation
577,726,134.84 : 797,052,838.38 = 379,594,342.20 : x - Step 2: Convert to fraction form
577,726,134.84/797,052,838.38 = 379,594,342.20/x - Step 3: Cross multiply
577,726,134.84x = 797,052,838.38 × 379,594,342.20 - Step 4: Simplify right side
577,726,134.84x = 302,556,747,883,499,008 - Step 5: Solve for x
x = 302,556,747,883,499,008/577,726,134.84 - Step 6: Final answer
x = 523,702,719.40
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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.