Finding the Fourth Proportional to 499,676,115.66, 689,574,592.35 and 276,657,798.30
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Solution
The fourth proportional to 499,676,115.66, 689,574,592.35 and 276,657,798.30 is: 381,799,694.85
Step by Step Solution
- Step 1: Write the proportion equation
499,676,115.66 : 689,574,592.35 = 276,657,798.30 : x - Step 2: Convert to fraction form
499,676,115.66/689,574,592.35 = 276,657,798.30/x - Step 3: Cross multiply
499,676,115.66x = 689,574,592.35 × 276,657,798.30 - Step 4: Simplify right side
499,676,115.66x = 190,776,188,483,171,040 - Step 5: Solve for x
x = 190,776,188,483,171,040/499,676,115.66 - Step 6: Final answer
x = 381,799,694.85
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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.