Finding the Fourth Proportional to 314,806,972.88, 434,434,202.24 and 175,586,708.16
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Solution
The fourth proportional to 314,806,972.88, 434,434,202.24 and 175,586,708.16 is: 242,309,980.58
Step by Step Solution
- Step 1: Write the proportion equation
314,806,972.88 : 434,434,202.24 = 175,586,708.16 : x - Step 2: Convert to fraction form
314,806,972.88/434,434,202.24 = 175,586,708.16/x - Step 3: Cross multiply
314,806,972.88x = 434,434,202.24 × 175,586,708.16 - Step 4: Simplify right side
314,806,972.88x = 76,280,871,483,437,296 - Step 5: Solve for x
x = 76,280,871,483,437,296/314,806,972.88 - Step 6: Final answer
x = 242,309,980.58
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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.