Finding the Fourth Proportional to 395,779,615.44, 545,948,950.08 and 246,842,162.79
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Solution
The fourth proportional to 395,779,615.44, 545,948,950.08 and 246,842,162.79 is: 340,500,658.33
Step by Step Solution
- Step 1: Write the proportion equation
395,779,615.44 : 545,948,950.08 = 246,842,162.79 : x - Step 2: Convert to fraction form
395,779,615.44/545,948,950.08 = 246,842,162.79/x - Step 3: Cross multiply
395,779,615.44x = 545,948,950.08 × 246,842,162.79 - Step 4: Simplify right side
395,779,615.44x = 134,763,219,610,676,944 - Step 5: Solve for x
x = 134,763,219,610,676,944/395,779,615.44 - Step 6: Final answer
x = 340,500,658.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.