Finding the Fourth Proportional to 472,393,121.70, 708,589,682.55 and 230,528,417.70
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Solution
The fourth proportional to 472,393,121.70, 708,589,682.55 and 230,528,417.70 is: 345,792,626.55
Step by Step Solution
- Step 1: Write the proportion equation
472,393,121.70 : 708,589,682.55 = 230,528,417.70 : x - Step 2: Convert to fraction form
472,393,121.70/708,589,682.55 = 230,528,417.70/x - Step 3: Cross multiply
472,393,121.70x = 708,589,682.55 × 230,528,417.70 - Step 4: Simplify right side
472,393,121.70x = 163,350,058,316,796,768 - Step 5: Solve for x
x = 163,350,058,316,796,768/472,393,121.70 - Step 6: Final answer
x = 345,792,626.55
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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.