Finding the Fourth Proportional to 561,869,984,891.97, 775,247,683,900.36 and 317,999,453,660.82
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Solution
The fourth proportional to 561,869,984,891.97, 775,247,683,900.36 and 317,999,453,660.82 is: 438,764,031,824.07
Step by Step Solution
- Step 1: Write the proportion equation
561,869,984,891.97 : 775,247,683,900.36 = 317,999,453,660.82 : x - Step 2: Convert to fraction form
561,869,984,891.97/775,247,683,900.36 = 317,999,453,660.82/x - Step 3: Cross multiply
561,869,984,891.97x = 775,247,683,900.36 × 317,999,453,660.82 - Step 4: Simplify right side
561,869,984,891.97x = 246,528,339,932,130,563,850,240 - Step 5: Solve for x
x = 246,528,339,932,130,563,850,240/561,869,984,891.97 - Step 6: Final answer
x = 438,764,031,824.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.