Finding the Fourth Proportional to 1,590,255,087,345.80, 2,385,717,689,493.40 and 515,727,222,630.24
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Solution
The fourth proportional to 1,590,255,087,345.80, 2,385,717,689,493.40 and 515,727,222,630.24 is: 773,699,494,988.45
Step by Step Solution
- Step 1: Write the proportion equation
1,590,255,087,345.80 : 2,385,717,689,493.40 = 515,727,222,630.24 : x - Step 2: Convert to fraction form
1,590,255,087,345.80/2,385,717,689,493.40 = 515,727,222,630.24/x - Step 3: Cross multiply
1,590,255,087,345.80x = 2,385,717,689,493.40 × 515,727,222,630.24 - Step 4: Simplify right side
1,590,255,087,345.80x = 1,230,379,557,982,264,495,177,728 - Step 5: Solve for x
x = 1,230,379,557,982,264,495,177,728/1,590,255,087,345.80 - Step 6: Final answer
x = 773,699,494,988.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.