Finding the Fourth Proportional to 615,167,998.20, 922,751,997.30 and 574,558,615.80
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Solution
The fourth proportional to 615,167,998.20, 922,751,997.30 and 574,558,615.80 is: 861,837,923.70
Step by Step Solution
- Step 1: Write the proportion equation
615,167,998.20 : 922,751,997.30 = 574,558,615.80 : x - Step 2: Convert to fraction form
615,167,998.20/922,751,997.30 = 574,558,615.80/x - Step 3: Cross multiply
615,167,998.20x = 922,751,997.30 × 574,558,615.80 - Step 4: Simplify right side
615,167,998.20x = 530,175,110,295,373,248 - Step 5: Solve for x
x = 530,175,110,295,373,248/615,167,998.20 - Step 6: Final answer
x = 861,837,923.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.