Finding the Fourth Proportional to 1,664,399,430.32, 2,296,000,405.11 and 1,029,116,846.66
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Solution
The fourth proportional to 1,664,399,430.32, 2,296,000,405.11 and 1,029,116,846.66 is: 1,419,642,817.58
Step by Step Solution
- Step 1: Write the proportion equation
1,664,399,430.32 : 2,296,000,405.11 = 1,029,116,846.66 : x - Step 2: Convert to fraction form
1,664,399,430.32/2,296,000,405.11 = 1,029,116,846.66/x - Step 3: Cross multiply
1,664,399,430.32x = 2,296,000,405.11 × 1,029,116,846.66 - Step 4: Simplify right side
1,664,399,430.32x = 2,362,852,696,829,213,184 - Step 5: Solve for x
x = 2,362,852,696,829,213,184/1,664,399,430.32 - Step 6: Final answer
x = 1,419,642,817.58
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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.