Finding the Fourth Proportional to 896,985,474.30, 1,345,478,211.45 and 881,868,930.30
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Solution
The fourth proportional to 896,985,474.30, 1,345,478,211.45 and 881,868,930.30 is: 1,322,803,395.45
Step by Step Solution
- Step 1: Write the proportion equation
896,985,474.30 : 1,345,478,211.45 = 881,868,930.30 : x - Step 2: Convert to fraction form
896,985,474.30/1,345,478,211.45 = 881,868,930.30/x - Step 3: Cross multiply
896,985,474.30x = 1,345,478,211.45 × 881,868,930.30 - Step 4: Simplify right side
896,985,474.30x = 1,186,535,431,073,368,576 - Step 5: Solve for x
x = 1,186,535,431,073,368,576/896,985,474.30 - Step 6: Final answer
x = 1,322,803,395.45
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1.5x scale
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.