Finding the Fourth Proportional to 2,327,642,998.20, 3,491,464,497.30 and 1,221,820,565.40
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Solution
The fourth proportional to 2,327,642,998.20, 3,491,464,497.30 and 1,221,820,565.40 is: 1,832,730,848.10
Step by Step Solution
- Step 1: Write the proportion equation
2,327,642,998.20 : 3,491,464,497.30 = 1,221,820,565.40 : x - Step 2: Convert to fraction form
2,327,642,998.20/3,491,464,497.30 = 1,221,820,565.40/x - Step 3: Cross multiply
2,327,642,998.20x = 3,491,464,497.30 × 1,221,820,565.40 - Step 4: Simplify right side
2,327,642,998.20x = 4,265,943,126,165,113,344 - Step 5: Solve for x
x = 4,265,943,126,165,113,344/2,327,642,998.20 - Step 6: Final answer
x = 1,832,730,848.10
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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.