Finding the Fourth Proportional to 403,453,125.70, 605,179,688.55 and 403,453,125.70
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Solution
The fourth proportional to 403,453,125.70, 605,179,688.55 and 403,453,125.70 is: 605,179,688.55
Step by Step Solution
- Step 1: Write the proportion equation
403,453,125.70 : 605,179,688.55 = 403,453,125.70 : x - Step 2: Convert to fraction form
403,453,125.70/605,179,688.55 = 403,453,125.70/x - Step 3: Cross multiply
403,453,125.70x = 605,179,688.55 × 403,453,125.70 - Step 4: Simplify right side
403,453,125.70x = 244,161,636,955,649,984 - Step 5: Solve for x
x = 244,161,636,955,649,984/403,453,125.70 - Step 6: Final answer
x = 605,179,688.55
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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.