Finding the Fourth Proportional to 1,354,668,209.67, 2,031,401,723.67 and 724,247,291.19
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Solution
The fourth proportional to 1,354,668,209.67, 2,031,401,723.67 and 724,247,291.19 is: 1,086,049,842.45
Step by Step Solution
- Step 1: Write the proportion equation
1,354,668,209.67 : 2,031,401,723.67 = 724,247,291.19 : x - Step 2: Convert to fraction form
1,354,668,209.67/2,031,401,723.67 = 724,247,291.19/x - Step 3: Cross multiply
1,354,668,209.67x = 2,031,401,723.67 × 724,247,291.19 - Step 4: Simplify right side
1,354,668,209.67x = 1,471,237,195,686,694,656 - Step 5: Solve for x
x = 1,471,237,195,686,694,656/1,354,668,209.67 - Step 6: Final answer
x = 1,086,049,842.45
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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.