Finding the Fourth Proportional to 621,974,138.79, 933,092,237.06 and 201,762,699.46
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Solution
The fourth proportional to 621,974,138.79, 933,092,237.06 and 201,762,699.46 is: 302,686,553.75
Step by Step Solution
- Step 1: Write the proportion equation
621,974,138.79 : 933,092,237.06 = 201,762,699.46 : x - Step 2: Convert to fraction form
621,974,138.79/933,092,237.06 = 201,762,699.46/x - Step 3: Cross multiply
621,974,138.79x = 933,092,237.06 × 201,762,699.46 - Step 4: Simplify right side
621,974,138.79x = 188,263,208,591,054,304 - Step 5: Solve for x
x = 188,263,208,591,054,304/621,974,138.79 - Step 6: Final answer
x = 302,686,553.75
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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.