Finding the Fourth Proportional to 587,723,898.79, 881,713,394.09 and 178,769,420.47
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Solution
The fourth proportional to 587,723,898.79, 881,713,394.09 and 178,769,420.47 is: 268,192,926.66
Step by Step Solution
- Step 1: Write the proportion equation
587,723,898.79 : 881,713,394.09 = 178,769,420.47 : x - Step 2: Convert to fraction form
587,723,898.79/881,713,394.09 = 178,769,420.47/x - Step 3: Cross multiply
587,723,898.79x = 881,713,394.09 × 178,769,420.47 - Step 4: Simplify right side
587,723,898.79x = 157,623,392,482,106,016 - Step 5: Solve for x
x = 157,623,392,482,106,016/587,723,898.79 - Step 6: Final answer
x = 268,192,926.66
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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.