Finding the Fourth Proportional to 1,450,243,334.12, 2,001,336,089.10 and 790,193,612.12
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Solution
The fourth proportional to 1,450,243,334.12, 2,001,336,089.10 and 790,193,612.12 is: 1,090,467,341.66
Step by Step Solution
- Step 1: Write the proportion equation
1,450,243,334.12 : 2,001,336,089.10 = 790,193,612.12 : x - Step 2: Convert to fraction form
1,450,243,334.12/2,001,336,089.10 = 790,193,612.12/x - Step 3: Cross multiply
1,450,243,334.12x = 2,001,336,089.10 × 790,193,612.12 - Step 4: Simplify right side
1,450,243,334.12x = 1,581,442,993,312,043,008 - Step 5: Solve for x
x = 1,581,442,993,312,043,008/1,450,243,334.12 - Step 6: Final answer
x = 1,090,467,341.66
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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.