Finding the Fourth Proportional to 979,018,583.40, 1,465,126,652.70 and 897,389,245.80
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Solution
The fourth proportional to 979,018,583.40, 1,465,126,652.70 and 897,389,245.80 is: 1,342,966,235.94
Step by Step Solution
- Step 1: Write the proportion equation
979,018,583.40 : 1,465,126,652.70 = 897,389,245.80 : x - Step 2: Convert to fraction form
979,018,583.40/1,465,126,652.70 = 897,389,245.80/x - Step 3: Cross multiply
979,018,583.40x = 1,465,126,652.70 × 897,389,245.80 - Step 4: Simplify right side
979,018,583.40x = 1,314,788,901,867,931,392 - Step 5: Solve for x
x = 1,314,788,901,867,931,392/979,018,583.40 - Step 6: Final answer
x = 1,342,966,235.94
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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.