Finding the Fourth Proportional to 3,243,767,952.12, 4,865,659,901.61 and 914,717,140.80
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Solution
The fourth proportional to 3,243,767,952.12, 4,865,659,901.61 and 914,717,140.80 is: 1,372,077,959.64
Step by Step Solution
- Step 1: Write the proportion equation
3,243,767,952.12 : 4,865,659,901.61 = 914,717,140.80 : x - Step 2: Convert to fraction form
3,243,767,952.12/4,865,659,901.61 = 914,717,140.80/x - Step 3: Cross multiply
3,243,767,952.12x = 4,865,659,901.61 × 914,717,140.80 - Step 4: Simplify right side
3,243,767,952.12x = 4,450,702,513,281,579,520 - Step 5: Solve for x
x = 4,450,702,513,281,579,520/3,243,767,952.12 - Step 6: Final answer
x = 1,372,077,959.64
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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.