Finding the Fourth Proportional to 6,640,165,615.38, 9,961,995,409.25 and 2,386,286,754.74
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Solution
The fourth proportional to 6,640,165,615.38, 9,961,995,409.25 and 2,386,286,754.74 is: 3,580,057,949.28
Step by Step Solution
- Step 1: Write the proportion equation
6,640,165,615.38 : 9,961,995,409.25 = 2,386,286,754.74 : x - Step 2: Convert to fraction form
6,640,165,615.38/9,961,995,409.25 = 2,386,286,754.74/x - Step 3: Cross multiply
6,640,165,615.38x = 9,961,995,409.25 × 2,386,286,754.74 - Step 4: Simplify right side
6,640,165,615.38x = 23,772,177,695,849,078,784 - Step 5: Solve for x
x = 23,772,177,695,849,078,784/6,640,165,615.38 - Step 6: Final answer
x = 3,580,057,949.28
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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.