Finding the Fourth Proportional to 305,688,673.70, 458,533,010.55 and 203,652,001.70
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Solution
The fourth proportional to 305,688,673.70, 458,533,010.55 and 203,652,001.70 is: 305,478,002.55
Step by Step Solution
- Step 1: Write the proportion equation
305,688,673.70 : 458,533,010.55 = 203,652,001.70 : x - Step 2: Convert to fraction form
305,688,673.70/458,533,010.55 = 203,652,001.70/x - Step 3: Cross multiply
305,688,673.70x = 458,533,010.55 × 203,652,001.70 - Step 4: Simplify right side
305,688,673.70x = 93,381,165,444,034,720 - Step 5: Solve for x
x = 93,381,165,444,034,720/305,688,673.70 - Step 6: Final answer
x = 305,478,002.55
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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.