Finding the Fourth Proportional to 5,613,776,118.30, 7,747,072,265.26 and 3,107,691,681.06
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Solution
The fourth proportional to 5,613,776,118.30, 7,747,072,265.26 and 3,107,691,681.06 is: 4,288,648,411.33
Step by Step Solution
- Step 1: Write the proportion equation
5,613,776,118.30 : 7,747,072,265.26 = 3,107,691,681.06 : x - Step 2: Convert to fraction form
5,613,776,118.30/7,747,072,265.26 = 3,107,691,681.06/x - Step 3: Cross multiply
5,613,776,118.30x = 7,747,072,265.26 × 3,107,691,681.06 - Step 4: Simplify right side
5,613,776,118.30x = 24,075,512,031,303,614,464 - Step 5: Solve for x
x = 24,075,512,031,303,614,464/5,613,776,118.30 - Step 6: Final answer
x = 4,288,648,411.33
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1.5x scale
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.