Finding the Fourth Proportional to 2,897,511,254.20, 4,346,266,881.30 and 2,087,264,495.80
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Solution
The fourth proportional to 2,897,511,254.20, 4,346,266,881.30 and 2,087,264,495.80 is: 3,130,896,743.70
Step by Step Solution
- Step 1: Write the proportion equation
2,897,511,254.20 : 4,346,266,881.30 = 2,087,264,495.80 : x - Step 2: Convert to fraction form
2,897,511,254.20/4,346,266,881.30 = 2,087,264,495.80/x - Step 3: Cross multiply
2,897,511,254.20x = 4,346,266,881.30 × 2,087,264,495.80 - Step 4: Simplify right side
2,897,511,254.20x = 9,071,808,550,608,882,688 - Step 5: Solve for x
x = 9,071,808,550,608,882,688/2,897,511,254.20 - Step 6: Final answer
x = 3,130,896,743.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.