Finding the Fourth Proportional to 1,996,189,847.10, 2,994,001,335.45 and 686,152,352.70
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Solution
The fourth proportional to 1,996,189,847.10, 2,994,001,335.45 and 686,152,352.70 is: 1,029,131,103.58
Step by Step Solution
- Step 1: Write the proportion equation
1,996,189,847.10 : 2,994,001,335.45 = 686,152,352.70 : x - Step 2: Convert to fraction form
1,996,189,847.10/2,994,001,335.45 = 686,152,352.70/x - Step 3: Cross multiply
1,996,189,847.10x = 2,994,001,335.45 × 686,152,352.70 - Step 4: Simplify right side
1,996,189,847.10x = 2,054,341,060,305,959,424 - Step 5: Solve for x
x = 2,054,341,060,305,959,424/1,996,189,847.10 - Step 6: Final answer
x = 1,029,131,103.58
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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.