Finding the Fourth Proportional to 314,335,514.92, 430,641,747 and 302,553,980.68
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Solution
The fourth proportional to 314,335,514.92, 430,641,747 and 302,553,980.68 is: 414,500,966.70
Step by Step Solution
- Step 1: Write the proportion equation
314,335,514.92 : 430,641,747 = 302,553,980.68 : x - Step 2: Convert to fraction form
314,335,514.92/430,641,747 = 302,553,980.68/x - Step 3: Cross multiply
314,335,514.92x = 430,641,747 × 302,553,980.68 - Step 4: Simplify right side
314,335,514.92x = 130,292,374,801,839,456 - Step 5: Solve for x
x = 130,292,374,801,839,456/314,335,514.92 - Step 6: Final answer
x = 414,500,966.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.