Finding the Fourth Proportional to 1,223,995,750.11, 1,836,353,842.49 and 394,933,839.68
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Solution
The fourth proportional to 1,223,995,750.11, 1,836,353,842.49 and 394,933,839.68 is: 592,516,987.06
Step by Step Solution
- Step 1: Write the proportion equation
1,223,995,750.11 : 1,836,353,842.49 = 394,933,839.68 : x - Step 2: Convert to fraction form
1,223,995,750.11/1,836,353,842.49 = 394,933,839.68/x - Step 3: Cross multiply
1,223,995,750.11x = 1,836,353,842.49 × 394,933,839.68 - Step 4: Simplify right side
1,223,995,750.11x = 725,238,274,031,275,904 - Step 5: Solve for x
x = 725,238,274,031,275,904/1,223,995,750.11 - Step 6: Final answer
x = 592,516,987.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.