Finding the Fourth Proportional to 7,863,217,084.95, 11,794,869,720.99 and 2,622,810,908.49
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Solution
The fourth proportional to 7,863,217,084.95, 11,794,869,720.99 and 2,622,810,908.49 is: 3,934,231,070.34
Step by Step Solution
- Step 1: Write the proportion equation
7,863,217,084.95 : 11,794,869,720.99 = 2,622,810,908.49 : x - Step 2: Convert to fraction form
7,863,217,084.95/11,794,869,720.99 = 2,622,810,908.49/x - Step 3: Cross multiply
7,863,217,084.95x = 11,794,869,720.99 × 2,622,810,908.49 - Step 4: Simplify right side
7,863,217,084.95x = 30,935,712,968,430,972,928 - Step 5: Solve for x
x = 30,935,712,968,430,972,928/7,863,217,084.95 - Step 6: Final answer
x = 3,934,231,070.34
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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.