Finding the Fourth Proportional to 4,139,342,908.26, 5,712,264,154.26 and 2,259,748,192.02
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Solution
The fourth proportional to 4,139,342,908.26, 5,712,264,154.26 and 2,259,748,192.02 is: 3,118,436,641.04
Step by Step Solution
- Step 1: Write the proportion equation
4,139,342,908.26 : 5,712,264,154.26 = 2,259,748,192.02 : x - Step 2: Convert to fraction form
4,139,342,908.26/5,712,264,154.26 = 2,259,748,192.02/x - Step 3: Cross multiply
4,139,342,908.26x = 5,712,264,154.26 × 2,259,748,192.02 - Step 4: Simplify right side
4,139,342,908.26x = 12,908,278,594,929,690,624 - Step 5: Solve for x
x = 12,908,278,594,929,690,624/4,139,342,908.26 - Step 6: Final answer
x = 3,118,436,641.04
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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.