Finding the Fourth Proportional to 3,515,496,298.12, 5,270,278,743.42 and 2,893,742,214.40
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Solution
The fourth proportional to 3,515,496,298.12, 5,270,278,743.42 and 2,893,742,214.40 is: 4,338,172,135.08
Step by Step Solution
- Step 1: Write the proportion equation
3,515,496,298.12 : 5,270,278,743.42 = 2,893,742,214.40 : x - Step 2: Convert to fraction form
3,515,496,298.12/5,270,278,743.42 = 2,893,742,214.40/x - Step 3: Cross multiply
3,515,496,298.12x = 5,270,278,743.42 × 2,893,742,214.40 - Step 4: Simplify right side
3,515,496,298.12x = 15,250,828,081,489,440,768 - Step 5: Solve for x
x = 15,250,828,081,489,440,768/3,515,496,298.12 - Step 6: Final answer
x = 4,338,172,135.08
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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.