Finding the Fourth Proportional to 4,780,498,972.05, 7,170,748,458.08 and 1,674,678,051.90
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Solution
The fourth proportional to 4,780,498,972.05, 7,170,748,458.08 and 1,674,678,051.90 is: 2,512,017,077.85
Step by Step Solution
- Step 1: Write the proportion equation
4,780,498,972.05 : 7,170,748,458.08 = 1,674,678,051.90 : x - Step 2: Convert to fraction form
4,780,498,972.05/7,170,748,458.08 = 1,674,678,051.90/x - Step 3: Cross multiply
4,780,498,972.05x = 7,170,748,458.08 × 1,674,678,051.90 - Step 4: Simplify right side
4,780,498,972.05x = 12,008,695,058,433,970,176 - Step 5: Solve for x
x = 12,008,695,058,433,970,176/4,780,498,972.05 - Step 6: Final answer
x = 2,512,017,077.85
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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.