Finding the Fourth Proportional to 1,461,263,318.22, 2,191,894,934.97 and 674,084,070.12
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Solution
The fourth proportional to 1,461,263,318.22, 2,191,894,934.97 and 674,084,070.12 is: 1,011,126,085.64
Step by Step Solution
- Step 1: Write the proportion equation
1,461,263,318.22 : 2,191,894,934.97 = 674,084,070.12 : x - Step 2: Convert to fraction form
1,461,263,318.22/2,191,894,934.97 = 674,084,070.12/x - Step 3: Cross multiply
1,461,263,318.22x = 2,191,894,934.97 × 674,084,070.12 - Step 4: Simplify right side
1,461,263,318.22x = 1,477,521,459,039,990,272 - Step 5: Solve for x
x = 1,477,521,459,039,990,272/1,461,263,318.22 - Step 6: Final answer
x = 1,011,126,085.64
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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.