Finding the Fourth Proportional to 6,349,440,837.98, 8,762,718,506.42 and 3,809,217,943.10
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Solution
The fourth proportional to 6,349,440,837.98, 8,762,718,506.42 and 3,809,217,943.10 is: 5,257,014,817.01
Step by Step Solution
- Step 1: Write the proportion equation
6,349,440,837.98 : 8,762,718,506.42 = 3,809,217,943.10 : x - Step 2: Convert to fraction form
6,349,440,837.98/8,762,718,506.42 = 3,809,217,943.10/x - Step 3: Cross multiply
6,349,440,837.98x = 8,762,718,506.42 × 3,809,217,943.10 - Step 4: Simplify right side
6,349,440,837.98x = 33,379,104,564,989,497,344 - Step 5: Solve for x
x = 33,379,104,564,989,497,344/6,349,440,837.98 - Step 6: Final answer
x = 5,257,014,817.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.