Finding the Fourth Proportional to 4,768,421,607.18, 7,152,087,560.67 and 1,275,099,497.73
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Solution
The fourth proportional to 4,768,421,607.18, 7,152,087,560.67 and 1,275,099,497.73 is: 1,912,503,550.99
Step by Step Solution
- Step 1: Write the proportion equation
4,768,421,607.18 : 7,152,087,560.67 = 1,275,099,497.73 : x - Step 2: Convert to fraction form
4,768,421,607.18/7,152,087,560.67 = 1,275,099,497.73/x - Step 3: Cross multiply
4,768,421,607.18x = 7,152,087,560.67 × 1,275,099,497.73 - Step 4: Simplify right side
4,768,421,607.18x = 9,119,623,256,331,297,792 - Step 5: Solve for x
x = 9,119,623,256,331,297,792/4,768,421,607.18 - Step 6: Final answer
x = 1,912,503,550.99
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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.