Finding the Fourth Proportional to 877,966,977.96, 1,316,951,035.56 and 222,967,126.44
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Solution
The fourth proportional to 877,966,977.96, 1,316,951,035.56 and 222,967,126.44 is: 334,450,834.07
Step by Step Solution
- Step 1: Write the proportion equation
877,966,977.96 : 1,316,951,035.56 = 222,967,126.44 : x - Step 2: Convert to fraction form
877,966,977.96/1,316,951,035.56 = 222,967,126.44/x - Step 3: Cross multiply
877,966,977.96x = 1,316,951,035.56 × 222,967,126.44 - Step 4: Simplify right side
877,966,977.96x = 293,636,788,060,995,456 - Step 5: Solve for x
x = 293,636,788,060,995,456/877,966,977.96 - Step 6: Final answer
x = 334,450,834.07
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1.5x scale
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.