Finding the Fourth Proportional to 1,368,105,576.84, 1,887,935,116.10 and 741,560,552.68
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Solution
The fourth proportional to 1,368,105,576.84, 1,887,935,116.10 and 741,560,552.68 is: 1,023,326,146.62
Step by Step Solution
- Step 1: Write the proportion equation
1,368,105,576.84 : 1,887,935,116.10 = 741,560,552.68 : x - Step 2: Convert to fraction form
1,368,105,576.84/1,887,935,116.10 = 741,560,552.68/x - Step 3: Cross multiply
1,368,105,576.84x = 1,887,935,116.10 × 741,560,552.68 - Step 4: Simplify right side
1,368,105,576.84x = 1,400,018,208,119,095,808 - Step 5: Solve for x
x = 1,400,018,208,119,095,808/1,368,105,576.84 - Step 6: Final answer
x = 1,023,326,146.62
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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.