Finding the Fourth Proportional to 1,708,558,418.28, 2,357,902,164.49 and 955,826,689.98
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Solution
The fourth proportional to 1,708,558,418.28, 2,357,902,164.49 and 955,826,689.98 is: 1,319,092,046.88
Step by Step Solution
- Step 1: Write the proportion equation
1,708,558,418.28 : 2,357,902,164.49 = 955,826,689.98 : x - Step 2: Convert to fraction form
1,708,558,418.28/2,357,902,164.49 = 955,826,689.98/x - Step 3: Cross multiply
1,708,558,418.28x = 2,357,902,164.49 × 955,826,689.98 - Step 4: Simplify right side
1,708,558,418.28x = 2,253,745,821,181,154,048 - Step 5: Solve for x
x = 2,253,745,821,181,154,048/1,708,558,418.28 - Step 6: Final answer
x = 1,319,092,046.88
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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.