Finding the Fourth Proportional to 631,230,711.41, 871,125,284.07 and 352,772,226.74
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Solution
The fourth proportional to 631,230,711.41, 871,125,284.07 and 352,772,226.74 is: 486,840,707.65
Step by Step Solution
- Step 1: Write the proportion equation
631,230,711.41 : 871,125,284.07 = 352,772,226.74 : x - Step 2: Convert to fraction form
631,230,711.41/871,125,284.07 = 352,772,226.74/x - Step 3: Cross multiply
631,230,711.41x = 871,125,284.07 × 352,772,226.74 - Step 4: Simplify right side
631,230,711.41x = 307,308,806,233,066,816 - Step 5: Solve for x
x = 307,308,806,233,066,816/631,230,711.41 - Step 6: Final answer
x = 486,840,707.65
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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.