Finding the Fourth Proportional to 610,417,534.80, 915,682,289.40 and 201,474,584.40
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Solution
The fourth proportional to 610,417,534.80, 915,682,289.40 and 201,474,584.40 is: 302,230,355.75
Step by Step Solution
- Step 1: Write the proportion equation
610,417,534.80 : 915,682,289.40 = 201,474,584.40 : x - Step 2: Convert to fraction form
610,417,534.80/915,682,289.40 = 201,474,584.40/x - Step 3: Cross multiply
610,417,534.80x = 915,682,289.40 × 201,474,584.40 - Step 4: Simplify right side
610,417,534.80x = 184,486,708,699,305,536 - Step 5: Solve for x
x = 184,486,708,699,305,536/610,417,534.80 - Step 6: Final answer
x = 302,230,355.75
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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.