Finding the Fourth Proportional to 1,488,662,136.90, 2,232,993,205.35 and 1,465,703,885.70
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Solution
The fourth proportional to 1,488,662,136.90, 2,232,993,205.35 and 1,465,703,885.70 is: 2,198,555,828.55
Step by Step Solution
- Step 1: Write the proportion equation
1,488,662,136.90 : 2,232,993,205.35 = 1,465,703,885.70 : x - Step 2: Convert to fraction form
1,488,662,136.90/2,232,993,205.35 = 1,465,703,885.70/x - Step 3: Cross multiply
1,488,662,136.90x = 2,232,993,205.35 × 1,465,703,885.70 - Step 4: Simplify right side
1,488,662,136.90x = 3,272,906,817,823,193,088 - Step 5: Solve for x
x = 3,272,906,817,823,193,088/1,488,662,136.90 - Step 6: Final answer
x = 2,198,555,828.55
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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.