Finding the Fourth Proportional to 2,115,455,424.40, 3,173,183,136.60 and 1,885,683,955.60
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Solution
The fourth proportional to 2,115,455,424.40, 3,173,183,136.60 and 1,885,683,955.60 is: 2,828,525,933.40
Step by Step Solution
- Step 1: Write the proportion equation
2,115,455,424.40 : 3,173,183,136.60 = 1,885,683,955.60 : x - Step 2: Convert to fraction form
2,115,455,424.40/3,173,183,136.60 = 1,885,683,955.60/x - Step 3: Cross multiply
2,115,455,424.40x = 3,173,183,136.60 × 1,885,683,955.60 - Step 4: Simplify right side
2,115,455,424.40x = 5,983,620,528,867,102,720 - Step 5: Solve for x
x = 5,983,620,528,867,102,720/2,115,455,424.40 - Step 6: Final answer
x = 2,828,525,933.40
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1.5x scale
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.