Finding the Fourth Proportional to 1,760,912,695.81, 2,430,075,787.99 and 957,142,084.65
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Solution
The fourth proportional to 1,760,912,695.81, 2,430,075,787.99 and 957,142,084.65 is: 1,320,864,919.14
Step by Step Solution
- Step 1: Write the proportion equation
1,760,912,695.81 : 2,430,075,787.99 = 957,142,084.65 : x - Step 2: Convert to fraction form
1,760,912,695.81/2,430,075,787.99 = 957,142,084.65/x - Step 3: Cross multiply
1,760,912,695.81x = 2,430,075,787.99 × 957,142,084.65 - Step 4: Simplify right side
1,760,912,695.81x = 2,325,927,805,562,734,592 - Step 5: Solve for x
x = 2,325,927,805,562,734,592/1,760,912,695.81 - Step 6: Final answer
x = 1,320,864,919.14
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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.