Finding the Fourth Proportional to 10,239,130,141.68, 15,358,695,249.41 and 2,878,140,850.68
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Solution
The fourth proportional to 10,239,130,141.68, 15,358,695,249.41 and 2,878,140,850.68 is: 4,317,211,286.39
Step by Step Solution
- Step 1: Write the proportion equation
10,239,130,141.68 : 15,358,695,249.41 = 2,878,140,850.68 : x - Step 2: Convert to fraction form
10,239,130,141.68/15,358,695,249.41 = 2,878,140,850.68/x - Step 3: Cross multiply
10,239,130,141.68x = 15,358,695,249.41 × 2,878,140,850.68 - Step 4: Simplify right side
10,239,130,141.68x = 44,204,488,210,457,378,816 - Step 5: Solve for x
x = 44,204,488,210,457,378,816/10,239,130,141.68 - Step 6: Final answer
x = 4,317,211,286.39
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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.