Finding the Fourth Proportional to 874,425,105.14, 1,311,867,713.51 and 314,243,526.79
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Solution
The fourth proportional to 874,425,105.14, 1,311,867,713.51 and 314,243,526.79 is: 471,447,965.70
Step by Step Solution
- Step 1: Write the proportion equation
874,425,105.14 : 1,311,867,713.51 = 314,243,526.79 : x - Step 2: Convert to fraction form
874,425,105.14/1,311,867,713.51 = 314,243,526.79/x - Step 3: Cross multiply
874,425,105.14x = 1,311,867,713.51 × 314,243,526.79 - Step 4: Simplify right side
874,425,105.14x = 412,245,936,975,315,776 - Step 5: Solve for x
x = 412,245,936,975,315,776/874,425,105.14 - Step 6: Final answer
x = 471,447,965.70
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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.