Finding the Fourth Proportional to 1,590,255,087,346.80, 2,385,717,689,494.90 and 515,727,222,631.24
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Solution
The fourth proportional to 1,590,255,087,346.80, 2,385,717,689,494.90 and 515,727,222,631.24 is: 773,699,494,989.95
Step by Step Solution
- Step 1: Write the proportion equation
1,590,255,087,346.80 : 2,385,717,689,494.90 = 515,727,222,631.24 : x - Step 2: Convert to fraction form
1,590,255,087,346.80/2,385,717,689,494.90 = 515,727,222,631.24/x - Step 3: Cross multiply
1,590,255,087,346.80x = 2,385,717,689,494.90 × 515,727,222,631.24 - Step 4: Simplify right side
1,590,255,087,346.80x = 1,230,379,557,985,423,712,059,392 - Step 5: Solve for x
x = 1,230,379,557,985,423,712,059,392/1,590,255,087,346.80 - Step 6: Final answer
x = 773,699,494,989.95
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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.