Finding the Fourth Proportional to 7,869,381,582.80, 11,808,607,337.40 and 2,965,574,709.20
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Solution
The fourth proportional to 7,869,381,582.80, 11,808,607,337.40 and 2,965,574,709.20 is: 4,450,071,063.68
Step by Step Solution
- Step 1: Write the proportion equation
7,869,381,582.80 : 11,808,607,337.40 = 2,965,574,709.20 : x - Step 2: Convert to fraction form
7,869,381,582.80/11,808,607,337.40 = 2,965,574,709.20/x - Step 3: Cross multiply
7,869,381,582.80x = 11,808,607,337.40 × 2,965,574,709.20 - Step 4: Simplify right side
7,869,381,582.80x = 35,019,307,270,666,989,568 - Step 5: Solve for x
x = 35,019,307,270,666,989,568/7,869,381,582.80 - Step 6: Final answer
x = 4,450,071,063.68
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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.