Finding the Fourth Proportional to 4,655,647,965.68, 6,433,198,337.86 and 3,315,210,908.19
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Solution
The fourth proportional to 4,655,647,965.68, 6,433,198,337.86 and 3,315,210,908.19 is: 4,580,975,507.91
Step by Step Solution
- Step 1: Write the proportion equation
4,655,647,965.68 : 6,433,198,337.86 = 3,315,210,908.19 : x - Step 2: Convert to fraction form
4,655,647,965.68/6,433,198,337.86 = 3,315,210,908.19/x - Step 3: Cross multiply
4,655,647,965.68x = 6,433,198,337.86 × 3,315,210,908.19 - Step 4: Simplify right side
4,655,647,965.68x = 21,327,409,304,223,248,384 - Step 5: Solve for x
x = 21,327,409,304,223,248,384/4,655,647,965.68 - Step 6: Final answer
x = 4,580,975,507.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.