Finding the Fourth Proportional to 856,105,149.78, 1,283,842,741.99 and 295,724,368.87
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Solution
The fourth proportional to 856,105,149.78, 1,283,842,741.99 and 295,724,368.87 is: 443,477,748.84
Step by Step Solution
- Step 1: Write the proportion equation
856,105,149.78 : 1,283,842,741.99 = 295,724,368.87 : x - Step 2: Convert to fraction form
856,105,149.78/1,283,842,741.99 = 295,724,368.87/x - Step 3: Cross multiply
856,105,149.78x = 1,283,842,741.99 × 295,724,368.87 - Step 4: Simplify right side
856,105,149.78x = 379,663,584,595,425,152 - Step 5: Solve for x
x = 379,663,584,595,425,152/856,105,149.78 - Step 6: Final answer
x = 443,477,748.84
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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.