Finding the Fourth Proportional to 1,577,236,176.40, 2,365,630,315.80 and 542,144,822.80
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Solution
The fourth proportional to 1,577,236,176.40, 2,365,630,315.80 and 542,144,822.80 is: 813,140,256.08
Step by Step Solution
- Step 1: Write the proportion equation
1,577,236,176.40 : 2,365,630,315.80 = 542,144,822.80 : x - Step 2: Convert to fraction form
1,577,236,176.40/2,365,630,315.80 = 542,144,822.80/x - Step 3: Cross multiply
1,577,236,176.40x = 2,365,630,315.80 × 542,144,822.80 - Step 4: Simplify right side
1,577,236,176.40x = 1,282,514,228,369,699,072 - Step 5: Solve for x
x = 1,282,514,228,369,699,072/1,577,236,176.40 - Step 6: Final answer
x = 813,140,256.08
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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.