Finding the Fourth Proportional to 2,637,358,465.80, 3,956,037,698.70 and 1,085,763,322.20
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Solution
The fourth proportional to 2,637,358,465.80, 3,956,037,698.70 and 1,085,763,322.20 is: 1,628,644,983.30
Step by Step Solution
- Step 1: Write the proportion equation
2,637,358,465.80 : 3,956,037,698.70 = 1,085,763,322.20 : x - Step 2: Convert to fraction form
2,637,358,465.80/3,956,037,698.70 = 1,085,763,322.20/x - Step 3: Cross multiply
2,637,358,465.80x = 3,956,037,698.70 × 1,085,763,322.20 - Step 4: Simplify right side
2,637,358,465.80x = 4,295,320,634,488,954,368 - Step 5: Solve for x
x = 4,295,320,634,488,954,368/2,637,358,465.80 - Step 6: Final answer
x = 1,628,644,983.30
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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.