Finding the Fourth Proportional to 1,636,344,014.36, 2,454,516,042.34 and 392,774,475.20
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Solution
The fourth proportional to 1,636,344,014.36, 2,454,516,042.34 and 392,774,475.20 is: 589,161,717.79
Step by Step Solution
- Step 1: Write the proportion equation
1,636,344,014.36 : 2,454,516,042.34 = 392,774,475.20 : x - Step 2: Convert to fraction form
1,636,344,014.36/2,454,516,042.34 = 392,774,475.20/x - Step 3: Cross multiply
1,636,344,014.36x = 2,454,516,042.34 × 392,774,475.20 - Step 4: Simplify right side
1,636,344,014.36x = 964,071,250,387,566,208 - Step 5: Solve for x
x = 964,071,250,387,566,208/1,636,344,014.36 - Step 6: Final answer
x = 589,161,717.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.