Finding the Fourth Proportional to 19,216,925,538.20, 28,829,734,832.10 and 10,373,574,578.66
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Solution
The fourth proportional to 19,216,925,538.20, 28,829,734,832.10 and 10,373,574,578.66 is: 15,562,708,184.99
Step by Step Solution
- Step 1: Write the proportion equation
19,216,925,538.20 : 28,829,734,832.10 = 10,373,574,578.66 : x - Step 2: Convert to fraction form
19,216,925,538.20/28,829,734,832.10 = 10,373,574,578.66/x - Step 3: Cross multiply
19,216,925,538.20x = 28,829,734,832.10 × 10,373,574,578.66 - Step 4: Simplify right side
19,216,925,538.20x = 299,067,404,363,781,242,880 - Step 5: Solve for x
x = 299,067,404,363,781,242,880/19,216,925,538.20 - Step 6: Final answer
x = 15,562,708,184.99
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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.