Finding the Fourth Proportional to 10,621,895,478.99, 14,664,831,021.36 and 6,761,609,196.75
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Solution
The fourth proportional to 10,621,895,478.99, 14,664,831,021.36 and 6,761,609,196.75 is: 9,335,231,785.98
Step by Step Solution
- Step 1: Write the proportion equation
10,621,895,478.99 : 14,664,831,021.36 = 6,761,609,196.75 : x - Step 2: Convert to fraction form
10,621,895,478.99/14,664,831,021.36 = 6,761,609,196.75/x - Step 3: Cross multiply
10,621,895,478.99x = 14,664,831,021.36 × 6,761,609,196.75 - Step 4: Simplify right side
10,621,895,478.99x = 99,157,856,302,812,479,488 - Step 5: Solve for x
x = 99,157,856,302,812,479,488/10,621,895,478.99 - Step 6: Final answer
x = 9,335,231,785.98
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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.