Finding the Fourth Proportional to 505,310,646.74, 758,038,267.47 and 155,586,300.62
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Solution
The fourth proportional to 505,310,646.74, 758,038,267.47 and 155,586,300.62 is: 233,401,711.45
Step by Step Solution
- Step 1: Write the proportion equation
505,310,646.74 : 758,038,267.47 = 155,586,300.62 : x - Step 2: Convert to fraction form
505,310,646.74/758,038,267.47 = 155,586,300.62/x - Step 3: Cross multiply
505,310,646.74x = 758,038,267.47 × 155,586,300.62 - Step 4: Simplify right side
505,310,646.74x = 117,940,369,764,051,392 - Step 5: Solve for x
x = 117,940,369,764,051,392/505,310,646.74 - Step 6: Final answer
x = 233,401,711.45
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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.