Finding the Fourth Proportional to 3,698,119,215.06, 5,547,101,105.17 and 900,103,368.97
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Solution
The fourth proportional to 3,698,119,215.06, 5,547,101,105.17 and 900,103,368.97 is: 1,350,136,137.43
Step by Step Solution
- Step 1: Write the proportion equation
3,698,119,215.06 : 5,547,101,105.17 = 900,103,368.97 : x - Step 2: Convert to fraction form
3,698,119,215.06/5,547,101,105.17 = 900,103,368.97/x - Step 3: Cross multiply
3,698,119,215.06x = 5,547,101,105.17 × 900,103,368.97 - Step 4: Simplify right side
3,698,119,215.06x = 4,992,964,392,780,727,296 - Step 5: Solve for x
x = 4,992,964,392,780,727,296/3,698,119,215.06 - Step 6: Final answer
x = 1,350,136,137.43
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1.5x scale
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.