Finding the Fourth Proportional to 3,653,996,987.16, 5,042,519,574.20 and 1,983,246,472.80
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Solution
The fourth proportional to 3,653,996,987.16, 5,042,519,574.20 and 1,983,246,472.80 is: 2,736,882,158.00
Step by Step Solution
- Step 1: Write the proportion equation
3,653,996,987.16 : 5,042,519,574.20 = 1,983,246,472.80 : x - Step 2: Convert to fraction form
3,653,996,987.16/5,042,519,574.20 = 1,983,246,472.80/x - Step 3: Cross multiply
3,653,996,987.16x = 5,042,519,574.20 × 1,983,246,472.80 - Step 4: Simplify right side
3,653,996,987.16x = 10,000,559,159,547,191,296 - Step 5: Solve for x
x = 10,000,559,159,547,191,296/3,653,996,987.16 - Step 6: Final answer
x = 2,736,882,158.00
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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.