Finding the Fourth Proportional to 27,798,241,311,376, 38,361,579,271,376 and 15,297,971,351,881
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Solution
The fourth proportional to 27,798,241,311,376, 38,361,579,271,376 and 15,297,971,351,881 is: 21,111,203,911,531.66
Step by Step Solution
- Step 1: Write the proportion equation
27,798,241,311,376 : 38,361,579,271,376 = 15,297,971,351,881 : x - Step 2: Convert to fraction form
27,798,241,311,376/38,361,579,271,376 = 15,297,971,351,881/x - Step 3: Cross multiply
27,798,241,311,376x = 38,361,579,271,376 × 15,297,971,351,881 - Step 4: Simplify right side
27,798,241,311,376x = 586,854,340,706,422,058,114,875,392 - Step 5: Solve for x
x = 586,854,340,706,422,058,114,875,392/27,798,241,311,376 - Step 6: Final answer
x = 21,111,203,911,531.66
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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.