Finding the Fourth Proportional to 5,119,138,300.38, 7,671,965,412.06 and 2,167,765,981.08
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Solution
The fourth proportional to 5,119,138,300.38, 7,671,965,412.06 and 2,167,765,981.08 is: 3,248,793,967.35
Step by Step Solution
- Step 1: Write the proportion equation
5,119,138,300.38 : 7,671,965,412.06 = 2,167,765,981.08 : x - Step 2: Convert to fraction form
5,119,138,300.38/7,671,965,412.06 = 2,167,765,981.08/x - Step 3: Cross multiply
5,119,138,300.38x = 7,671,965,412.06 × 2,167,765,981.08 - Step 4: Simplify right side
5,119,138,300.38x = 16,631,025,628,286,072,832 - Step 5: Solve for x
x = 16,631,025,628,286,072,832/5,119,138,300.38 - Step 6: Final answer
x = 3,248,793,967.35
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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.