Finding the Fourth Proportional to 1,512,423,064.13, 2,087,180,734.14 and 843,361,578.99
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Solution
The fourth proportional to 1,512,423,064.13, 2,087,180,734.14 and 843,361,578.99 is: 1,163,859,558.44
Step by Step Solution
- Step 1: Write the proportion equation
1,512,423,064.13 : 2,087,180,734.14 = 843,361,578.99 : x - Step 2: Convert to fraction form
1,512,423,064.13/2,087,180,734.14 = 843,361,578.99/x - Step 3: Cross multiply
1,512,423,064.13x = 2,087,180,734.14 × 843,361,578.99 - Step 4: Simplify right side
1,512,423,064.13x = 1,760,248,039,581,817,856 - Step 5: Solve for x
x = 1,760,248,039,581,817,856/1,512,423,064.13 - Step 6: Final answer
x = 1,163,859,558.44
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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.