Finding the Fourth Proportional to 983,234,559,964.30, 1,474,739,179,020.80 and 257,235,977,297.92
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Solution
The fourth proportional to 983,234,559,964.30, 1,474,739,179,020.80 and 257,235,977,297.92 is: 385,824,491,348.96
Step by Step Solution
- Step 1: Write the proportion equation
983,234,559,964.30 : 1,474,739,179,020.80 = 257,235,977,297.92 : x - Step 2: Convert to fraction form
983,234,559,964.30/1,474,739,179,020.80 = 257,235,977,297.92/x - Step 3: Cross multiply
983,234,559,964.30x = 1,474,739,179,020.80 × 257,235,977,297.92 - Step 4: Simplify right side
983,234,559,964.30x = 379,355,973,974,947,694,379,008 - Step 5: Solve for x
x = 379,355,973,974,947,694,379,008/983,234,559,964.30 - Step 6: Final answer
x = 385,824,491,348.96
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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.