Finding the Fourth Proportional to 463,670,122.60, 694,907,987.10 and 355,428,202.60
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Solution
The fourth proportional to 463,670,122.60, 694,907,987.10 and 355,428,202.60 is: 532,684,520.28
Step by Step Solution
- Step 1: Write the proportion equation
463,670,122.60 : 694,907,987.10 = 355,428,202.60 : x - Step 2: Convert to fraction form
463,670,122.60/694,907,987.10 = 355,428,202.60/x - Step 3: Cross multiply
463,670,122.60x = 694,907,987.10 × 355,428,202.60 - Step 4: Simplify right side
463,670,122.60x = 246,989,896,827,337,024 - Step 5: Solve for x
x = 246,989,896,827,337,024/463,670,122.60 - Step 6: Final answer
x = 532,684,520.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.