Finding the Fourth Proportional to 1,300,232,246.10, 1,950,348,369.15 and 749,234,217.30
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Solution
The fourth proportional to 1,300,232,246.10, 1,950,348,369.15 and 749,234,217.30 is: 1,123,851,325.95
Step by Step Solution
- Step 1: Write the proportion equation
1,300,232,246.10 : 1,950,348,369.15 = 749,234,217.30 : x - Step 2: Convert to fraction form
1,300,232,246.10/1,950,348,369.15 = 749,234,217.30/x - Step 3: Cross multiply
1,300,232,246.10x = 1,950,348,369.15 × 749,234,217.30 - Step 4: Simplify right side
1,300,232,246.10x = 1,461,267,733,822,431,744 - Step 5: Solve for x
x = 1,461,267,733,822,431,744/1,300,232,246.10 - Step 6: Final answer
x = 1,123,851,325.95
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Double scale
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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.