Finding the Fourth Proportional to 1,772,929,807.70, 2,659,394,711.55 and 737,446,543.70
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Solution
The fourth proportional to 1,772,929,807.70, 2,659,394,711.55 and 737,446,543.70 is: 1,106,169,815.55
Step by Step Solution
- Step 1: Write the proportion equation
1,772,929,807.70 : 2,659,394,711.55 = 737,446,543.70 : x - Step 2: Convert to fraction form
1,772,929,807.70/2,659,394,711.55 = 737,446,543.70/x - Step 3: Cross multiply
1,772,929,807.70x = 2,659,394,711.55 × 737,446,543.70 - Step 4: Simplify right side
1,772,929,807.70x = 1,961,161,438,366,606,336 - Step 5: Solve for x
x = 1,961,161,438,366,606,336/1,772,929,807.70 - Step 6: Final answer
x = 1,106,169,815.55
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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.