Finding the Fourth Proportional to 1,590,417,966.71, 2,194,876,469.92 and 875,953,377.94
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Solution
The fourth proportional to 1,590,417,966.71, 2,194,876,469.92 and 875,953,377.94 is: 1,208,870,559.95
Step by Step Solution
- Step 1: Write the proportion equation
1,590,417,966.71 : 2,194,876,469.92 = 875,953,377.94 : x - Step 2: Convert to fraction form
1,590,417,966.71/2,194,876,469.92 = 875,953,377.94/x - Step 3: Cross multiply
1,590,417,966.71x = 2,194,876,469.92 × 875,953,377.94 - Step 4: Simplify right side
1,590,417,966.71x = 1,922,609,457,972,092,416 - Step 5: Solve for x
x = 1,922,609,457,972,092,416/1,590,417,966.71 - Step 6: Final answer
x = 1,208,870,559.95
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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.