Finding the Fourth Proportional to 561,869,984,900.16, 775,247,683,911.66 and 317,999,453,669.02
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Solution
The fourth proportional to 561,869,984,900.16, 775,247,683,911.66 and 317,999,453,669.02 is: 438,764,031,835.39
Step by Step Solution
- Step 1: Write the proportion equation
561,869,984,900.16 : 775,247,683,911.66 = 317,999,453,669.02 : x - Step 2: Convert to fraction form
561,869,984,900.16/775,247,683,911.66 = 317,999,453,669.02/x - Step 3: Cross multiply
561,869,984,900.16x = 775,247,683,911.66 × 317,999,453,669.02 - Step 4: Simplify right side
561,869,984,900.16x = 246,528,339,942,080,996,442,112 - Step 5: Solve for x
x = 246,528,339,942,080,996,442,112/561,869,984,900.16 - Step 6: Final answer
x = 438,764,031,835.39
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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.