Finding the Fourth Proportional to 2,345,917,618,989.20, 3,516,977,492,392.80 and 733,421,484,141.40
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Solution
The fourth proportional to 2,345,917,618,989.20, 3,516,977,492,392.80 and 733,421,484,141.40 is: 1,099,538,547,851.50
Step by Step Solution
- Step 1: Write the proportion equation
2,345,917,618,989.20 : 3,516,977,492,392.80 = 733,421,484,141.40 : x - Step 2: Convert to fraction form
2,345,917,618,989.20/3,516,977,492,392.80 = 733,421,484,141.40/x - Step 3: Cross multiply
2,345,917,618,989.20x = 3,516,977,492,392.80 × 733,421,484,141.40 - Step 4: Simplify right side
2,345,917,618,989.20x = 2,579,426,852,162,626,404,745,216 - Step 5: Solve for x
x = 2,579,426,852,162,626,404,745,216/2,345,917,618,989.20 - Step 6: Final answer
x = 1,099,538,547,851.50
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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.