Finding the Fourth Proportional to 1,049,053,418.01, 1,447,670,715.30 and 572,727,508.02
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Solution
The fourth proportional to 1,049,053,418.01, 1,447,670,715.30 and 572,727,508.02 is: 790,351,403.44
Step by Step Solution
- Step 1: Write the proportion equation
1,049,053,418.01 : 1,447,670,715.30 = 572,727,508.02 : x - Step 2: Convert to fraction form
1,049,053,418.01/1,447,670,715.30 = 572,727,508.02/x - Step 3: Cross multiply
1,049,053,418.01x = 1,447,670,715.30 × 572,727,508.02 - Step 4: Simplify right side
1,049,053,418.01x = 829,120,841,207,299,840 - Step 5: Solve for x
x = 829,120,841,207,299,840/1,049,053,418.01 - Step 6: Final answer
x = 790,351,403.44
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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.