Finding the Fourth Proportional to 2,924,915,886.09, 4,036,391,746.35 and 1,586,805,975.87
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Solution
The fourth proportional to 2,924,915,886.09, 4,036,391,746.35 and 1,586,805,975.87 is: 2,189,796,491.08
Step by Step Solution
- Step 1: Write the proportion equation
2,924,915,886.09 : 4,036,391,746.35 = 1,586,805,975.87 : x - Step 2: Convert to fraction form
2,924,915,886.09/4,036,391,746.35 = 1,586,805,975.87/x - Step 3: Cross multiply
2,924,915,886.09x = 4,036,391,746.35 × 1,586,805,975.87 - Step 4: Simplify right side
2,924,915,886.09x = 6,404,970,544,060,524,544 - Step 5: Solve for x
x = 6,404,970,544,060,524,544/2,924,915,886.09 - Step 6: Final answer
x = 2,189,796,491.08
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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.