Finding the Fourth Proportional to 8,355,588,230,498.40, 12,539,107,418,448 and 2,916,215,078,074.20
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Solution
The fourth proportional to 8,355,588,230,498.40, 12,539,107,418,448 and 2,916,215,078,074.20 is: 4,376,320,746,132.43
Step by Step Solution
- Step 1: Write the proportion equation
8,355,588,230,498.40 : 12,539,107,418,448 = 2,916,215,078,074.20 : x - Step 2: Convert to fraction form
8,355,588,230,498.40/12,539,107,418,448 = 2,916,215,078,074.20/x - Step 3: Cross multiply
8,355,588,230,498.40x = 12,539,107,418,448 × 2,916,215,078,074.20 - Step 4: Simplify right side
8,355,588,230,498.40x = 36,566,734,119,270,117,426,593,792 - Step 5: Solve for x
x = 36,566,734,119,270,117,426,593,792/8,355,588,230,498.40 - Step 6: Final answer
x = 4,376,320,746,132.43
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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.