Finding the Fourth Proportional to 704,092,842.48, 971,651,875.92 and 439,928,025.29
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Solution
The fourth proportional to 704,092,842.48, 971,651,875.92 and 439,928,025.29 is: 607,103,020.02
Step by Step Solution
- Step 1: Write the proportion equation
704,092,842.48 : 971,651,875.92 = 439,928,025.29 : x - Step 2: Convert to fraction form
704,092,842.48/971,651,875.92 = 439,928,025.29/x - Step 3: Cross multiply
704,092,842.48x = 971,651,875.92 × 439,928,025.29 - Step 4: Simplify right side
704,092,842.48x = 427,456,891,042,430,016 - Step 5: Solve for x
x = 427,456,891,042,430,016/704,092,842.48 - Step 6: Final answer
x = 607,103,020.02
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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.