Finding the Fourth Proportional to 1,796,295,947.80, 2,694,443,921.70 and 1,312,566,539.80
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Solution
The fourth proportional to 1,796,295,947.80, 2,694,443,921.70 and 1,312,566,539.80 is: 1,968,849,809.70
Step by Step Solution
- Step 1: Write the proportion equation
1,796,295,947.80 : 2,694,443,921.70 = 1,312,566,539.80 : x - Step 2: Convert to fraction form
1,796,295,947.80/2,694,443,921.70 = 1,312,566,539.80/x - Step 3: Cross multiply
1,796,295,947.80x = 2,694,443,921.70 × 1,312,566,539.80 - Step 4: Simplify right side
1,796,295,947.80x = 3,536,636,934,990,910,976 - Step 5: Solve for x
x = 3,536,636,934,990,910,976/1,796,295,947.80 - Step 6: Final answer
x = 1,968,849,809.70
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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.