Finding the Fourth Proportional to 1,340,462,936.79, 1,849,855,876.92 and 737,702,959.14
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Solution
The fourth proportional to 1,340,462,936.79, 1,849,855,876.92 and 737,702,959.14 is: 1,018,039,452.59
Step by Step Solution
- Step 1: Write the proportion equation
1,340,462,936.79 : 1,849,855,876.92 = 737,702,959.14 : x - Step 2: Convert to fraction form
1,340,462,936.79/1,849,855,876.92 = 737,702,959.14/x - Step 3: Cross multiply
1,340,462,936.79x = 1,849,855,876.92 × 737,702,959.14 - Step 4: Simplify right side
1,340,462,936.79x = 1,364,644,154,386,403,584 - Step 5: Solve for x
x = 1,364,644,154,386,403,584/1,340,462,936.79 - Step 6: Final answer
x = 1,018,039,452.59
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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.