Finding the Fourth Proportional to 2,432,497,956.80, 3,648,746,935.20 and 2,126,387,940.80
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Solution
The fourth proportional to 2,432,497,956.80, 3,648,746,935.20 and 2,126,387,940.80 is: 3,189,581,911.20
Step by Step Solution
- Step 1: Write the proportion equation
2,432,497,956.80 : 3,648,746,935.20 = 2,126,387,940.80 : x - Step 2: Convert to fraction form
2,432,497,956.80/3,648,746,935.20 = 2,126,387,940.80/x - Step 3: Cross multiply
2,432,497,956.80x = 3,648,746,935.20 × 2,126,387,940.80 - Step 4: Simplify right side
2,432,497,956.80x = 7,758,651,482,040,238,080 - Step 5: Solve for x
x = 7,758,651,482,040,238,080/2,432,497,956.80 - Step 6: Final answer
x = 3,189,581,911.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.