Finding the Fourth Proportional to 7,665,561,145.80, 11,498,341,718.70 and 3,303,493,417.80
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Solution
The fourth proportional to 7,665,561,145.80, 11,498,341,718.70 and 3,303,493,417.80 is: 4,955,240,126.70
Step by Step Solution
- Step 1: Write the proportion equation
7,665,561,145.80 : 11,498,341,718.70 = 3,303,493,417.80 : x - Step 2: Convert to fraction form
7,665,561,145.80/11,498,341,718.70 = 3,303,493,417.80/x - Step 3: Cross multiply
7,665,561,145.80x = 11,498,341,718.70 × 3,303,493,417.80 - Step 4: Simplify right side
7,665,561,145.80x = 37,984,696,183,340,597,248 - Step 5: Solve for x
x = 37,984,696,183,340,597,248/7,665,561,145.80 - Step 6: Final answer
x = 4,955,240,126.70
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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.