Finding the Fourth Proportional to 98,656,381,646.05, 136,122,472,571.82 and 55,836,864,516.71
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Solution
The fourth proportional to 98,656,381,646.05, 136,122,472,571.82 and 55,836,864,516.71 is: 77,041,666,558.80
Step by Step Solution
- Step 1: Write the proportion equation
98,656,381,646.05 : 136,122,472,571.82 = 55,836,864,516.71 : x - Step 2: Convert to fraction form
98,656,381,646.05/136,122,472,571.82 = 55,836,864,516.71/x - Step 3: Cross multiply
98,656,381,646.05x = 136,122,472,571.82 × 55,836,864,516.71 - Step 4: Simplify right side
98,656,381,646.05x = 7,600,652,058,672,286,924,800 - Step 5: Solve for x
x = 7,600,652,058,672,286,924,800/98,656,381,646.05 - Step 6: Final answer
x = 77,041,666,558.80
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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.