Finding the Fourth Proportional to 2,329,949,340.92, 3,215,308,360.36 and 1,272,676,908.44
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Solution
The fourth proportional to 2,329,949,340.92, 3,215,308,360.36 and 1,272,676,908.44 is: 1,756,282,264.12
Step by Step Solution
- Step 1: Write the proportion equation
2,329,949,340.92 : 3,215,308,360.36 = 1,272,676,908.44 : x - Step 2: Convert to fraction form
2,329,949,340.92/3,215,308,360.36 = 1,272,676,908.44/x - Step 3: Cross multiply
2,329,949,340.92x = 3,215,308,360.36 × 1,272,676,908.44 - Step 4: Simplify right side
2,329,949,340.92x = 4,092,048,703,744,250,368 - Step 5: Solve for x
x = 4,092,048,703,744,250,368/2,329,949,340.92 - Step 6: Final answer
x = 1,756,282,264.12
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Double scale
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1.5x scale
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.