Finding the Fourth Proportional to 1,053,128,869.99, 1,452,618,060.44 and 677,260,664.51
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Solution
The fourth proportional to 1,053,128,869.99, 1,452,618,060.44 and 677,260,664.51 is: 934,169,692.73
Step by Step Solution
- Step 1: Write the proportion equation
1,053,128,869.99 : 1,452,618,060.44 = 677,260,664.51 : x - Step 2: Convert to fraction form
1,053,128,869.99/1,452,618,060.44 = 677,260,664.51/x - Step 3: Cross multiply
1,053,128,869.99x = 1,452,618,060.44 × 677,260,664.51 - Step 4: Simplify right side
1,053,128,869.99x = 983,801,072,882,172,288 - Step 5: Solve for x
x = 983,801,072,882,172,288/1,053,128,869.99 - Step 6: Final answer
x = 934,169,692.73
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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.