Finding the Fourth Proportional to 1,762,751,146.16, 2,432,596,470.57 and 969,780,113.75
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Solution
The fourth proportional to 1,762,751,146.16, 2,432,596,470.57 and 969,780,113.75 is: 1,338,296,495.83
Step by Step Solution
- Step 1: Write the proportion equation
1,762,751,146.16 : 2,432,596,470.57 = 969,780,113.75 : x - Step 2: Convert to fraction form
1,762,751,146.16/2,432,596,470.57 = 969,780,113.75/x - Step 3: Cross multiply
1,762,751,146.16x = 2,432,596,470.57 × 969,780,113.75 - Step 4: Simplify right side
1,762,751,146.16x = 2,359,083,681,925,060,096 - Step 5: Solve for x
x = 2,359,083,681,925,060,096/1,762,751,146.16 - Step 6: Final answer
x = 1,338,296,495.83
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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.