Finding the Fourth Proportional to 469,707,971.95, 648,119,167.49 and 271,487,958.49
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Solution
The fourth proportional to 469,707,971.95, 648,119,167.49 and 271,487,958.49 is: 374,608,395.31
Step by Step Solution
- Step 1: Write the proportion equation
469,707,971.95 : 648,119,167.49 = 271,487,958.49 : x - Step 2: Convert to fraction form
469,707,971.95/648,119,167.49 = 271,487,958.49/x - Step 3: Cross multiply
469,707,971.95x = 648,119,167.49 × 271,487,958.49 - Step 4: Simplify right side
469,707,971.95x = 175,956,549,635,500,448 - Step 5: Solve for x
x = 175,956,549,635,500,448/469,707,971.95 - Step 6: Final answer
x = 374,608,395.31
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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.