Finding the Fourth Proportional to 418,797,860.76, 577,791,451.80 and 242,489,619
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Solution
The fourth proportional to 418,797,860.76, 577,791,451.80 and 242,489,619 is: 334,549,056.09
Step by Step Solution
- Step 1: Write the proportion equation
418,797,860.76 : 577,791,451.80 = 242,489,619 : x - Step 2: Convert to fraction form
418,797,860.76/577,791,451.80 = 242,489,619/x - Step 3: Cross multiply
418,797,860.76x = 577,791,451.80 × 242,489,619 - Step 4: Simplify right side
418,797,860.76x = 140,108,429,008,438,848 - Step 5: Solve for x
x = 140,108,429,008,438,848/418,797,860.76 - Step 6: Final answer
x = 334,549,056.09
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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.