Finding the Fourth Proportional to 1,512,423,059.63, 2,087,180,727.91 and 843,361,574.49
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Solution
The fourth proportional to 1,512,423,059.63, 2,087,180,727.91 and 843,361,574.49 is: 1,163,859,552.21
Step by Step Solution
- Step 1: Write the proportion equation
1,512,423,059.63 : 2,087,180,727.91 = 843,361,574.49 : x - Step 2: Convert to fraction form
1,512,423,059.63/2,087,180,727.91 = 843,361,574.49/x - Step 3: Cross multiply
1,512,423,059.63x = 2,087,180,727.91 × 843,361,574.49 - Step 4: Simplify right side
1,512,423,059.63x = 1,760,248,024,933,253,632 - Step 5: Solve for x
x = 1,760,248,024,933,253,632/1,512,423,059.63 - Step 6: Final answer
x = 1,163,859,552.21
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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.