Finding the Fourth Proportional to 1,717,587,845.32, 2,576,381,374.32 and 490,756,311.40
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Solution
The fourth proportional to 1,717,587,845.32, 2,576,381,374.32 and 490,756,311.40 is: 736,134,354.62
Step by Step Solution
- Step 1: Write the proportion equation
1,717,587,845.32 : 2,576,381,374.32 = 490,756,311.40 : x - Step 2: Convert to fraction form
1,717,587,845.32/2,576,381,374.32 = 490,756,311.40/x - Step 3: Cross multiply
1,717,587,845.32x = 2,576,381,374.32 × 490,756,311.40 - Step 4: Simplify right side
1,717,587,845.32x = 1,264,375,420,020,945,920 - Step 5: Solve for x
x = 1,264,375,420,020,945,920/1,717,587,845.32 - Step 6: Final answer
x = 736,134,354.62
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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.