Finding the Fourth Proportional to 610,417,855.30, 915,682,770.15 and 201,474,904.90
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Solution
The fourth proportional to 610,417,855.30, 915,682,770.15 and 201,474,904.90 is: 302,230,836.52
Step by Step Solution
- Step 1: Write the proportion equation
610,417,855.30 : 915,682,770.15 = 201,474,904.90 : x - Step 2: Convert to fraction form
610,417,855.30/915,682,770.15 = 201,474,904.90/x - Step 3: Cross multiply
610,417,855.30x = 915,682,770.15 × 201,474,904.90 - Step 4: Simplify right side
610,417,855.30x = 184,487,099,034,539,808 - Step 5: Solve for x
x = 184,487,099,034,539,808/610,417,855.30 - Step 6: Final answer
x = 302,230,836.52
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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.