Finding the Fourth Proportional to 42,479,665,125.12, 58,621,733,480.70 and 23,448,602,154.42
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Solution
The fourth proportional to 42,479,665,125.12, 58,621,733,480.70 and 23,448,602,154.42 is: 32,358,958,149.57
Step by Step Solution
- Step 1: Write the proportion equation
42,479,665,125.12 : 58,621,733,480.70 = 23,448,602,154.42 : x - Step 2: Convert to fraction form
42,479,665,125.12/58,621,733,480.70 = 23,448,602,154.42/x - Step 3: Cross multiply
42,479,665,125.12x = 58,621,733,480.70 × 23,448,602,154.42 - Step 4: Simplify right side
42,479,665,125.12x = 1,374,597,705,991,376,863,232 - Step 5: Solve for x
x = 1,374,597,705,991,376,863,232/42,479,665,125.12 - Step 6: Final answer
x = 32,358,958,149.57
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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.