Finding the Fourth Proportional to 354,547,521,971.18, 531,853,976,394.66 and 115,783,422,352.82
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Solution
The fourth proportional to 354,547,521,971.18, 531,853,976,394.66 and 115,783,422,352.82 is: 173,685,810,118.10
Step by Step Solution
- Step 1: Write the proportion equation
354,547,521,971.18 : 531,853,976,394.66 = 115,783,422,352.82 : x - Step 2: Convert to fraction form
354,547,521,971.18/531,853,976,394.66 = 115,783,422,352.82/x - Step 3: Cross multiply
354,547,521,971.18x = 531,853,976,394.66 × 115,783,422,352.82 - Step 4: Simplify right side
354,547,521,971.18x = 61,579,873,578,929,677,664,256 - Step 5: Solve for x
x = 61,579,873,578,929,677,664,256/354,547,521,971.18 - Step 6: Final answer
x = 173,685,810,118.10
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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.