Finding the Fourth Proportional to 906,993,460.35, 1,251,691,994.93 and 510,652,635.75
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Solution
The fourth proportional to 906,993,460.35, 1,251,691,994.93 and 510,652,635.75 is: 704,723,732.09
Step by Step Solution
- Step 1: Write the proportion equation
906,993,460.35 : 1,251,691,994.93 = 510,652,635.75 : x - Step 2: Convert to fraction form
906,993,460.35/1,251,691,994.93 = 510,652,635.75/x - Step 3: Cross multiply
906,993,460.35x = 1,251,691,994.93 × 510,652,635.75 - Step 4: Simplify right side
906,993,460.35x = 639,179,816,355,626,880 - Step 5: Solve for x
x = 639,179,816,355,626,880/906,993,460.35 - Step 6: Final answer
x = 704,723,732.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.