Finding the Fourth Proportional to 5,306,539,683,990.70, 7,960,605,413,691 and 1,863,829,565,790.80
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Solution
The fourth proportional to 5,306,539,683,990.70, 7,960,605,413,691 and 1,863,829,565,790.80 is: 2,796,023,890,369.46
Step by Step Solution
- Step 1: Write the proportion equation
5,306,539,683,990.70 : 7,960,605,413,691 = 1,863,829,565,790.80 : x - Step 2: Convert to fraction form
5,306,539,683,990.70/7,960,605,413,691 = 1,863,829,565,790.80/x - Step 3: Cross multiply
5,306,539,683,990.70x = 7,960,605,413,691 × 1,863,829,565,790.80 - Step 4: Simplify right side
5,306,539,683,990.70x = 14,837,211,731,631,589,279,399,936 - Step 5: Solve for x
x = 14,837,211,731,631,589,279,399,936/5,306,539,683,990.70 - Step 6: Final answer
x = 2,796,023,890,369.46
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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.