Finding the Fourth Proportional to 1,198,884,940.12, 1,654,497,565.50 and 670,271,198.68
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Solution
The fourth proportional to 1,198,884,940.12, 1,654,497,565.50 and 670,271,198.68 is: 924,994,575.65
Step by Step Solution
- Step 1: Write the proportion equation
1,198,884,940.12 : 1,654,497,565.50 = 670,271,198.68 : x - Step 2: Convert to fraction form
1,198,884,940.12/1,654,497,565.50 = 670,271,198.68/x - Step 3: Cross multiply
1,198,884,940.12x = 1,654,497,565.50 × 670,271,198.68 - Step 4: Simplify right side
1,198,884,940.12x = 1,108,962,066,440,826,752 - Step 5: Solve for x
x = 1,108,962,066,440,826,752/1,198,884,940.12 - Step 6: Final answer
x = 924,994,575.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.