Finding the Fourth Proportional to 3,514,346,813.84, 4,849,785,294 and 1,928,465,305.52
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Solution
The fourth proportional to 3,514,346,813.84, 4,849,785,294 and 1,928,465,305.52 is: 2,661,274,818.37
Step by Step Solution
- Step 1: Write the proportion equation
3,514,346,813.84 : 4,849,785,294 = 1,928,465,305.52 : x - Step 2: Convert to fraction form
3,514,346,813.84/4,849,785,294 = 1,928,465,305.52/x - Step 3: Cross multiply
3,514,346,813.84x = 4,849,785,294 × 1,928,465,305.52 - Step 4: Simplify right side
3,514,346,813.84x = 9,352,642,678,700,113,920 - Step 5: Solve for x
x = 9,352,642,678,700,113,920/3,514,346,813.84 - Step 6: Final answer
x = 2,661,274,818.37
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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.