Finding the Fourth Proportional to 896,985,409.80, 1,345,478,114.70 and 881,868,865.80
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Solution
The fourth proportional to 896,985,409.80, 1,345,478,114.70 and 881,868,865.80 is: 1,322,803,298.70
Step by Step Solution
- Step 1: Write the proportion equation
896,985,409.80 : 1,345,478,114.70 = 881,868,865.80 : x - Step 2: Convert to fraction form
896,985,409.80/1,345,478,114.70 = 881,868,865.80/x - Step 3: Cross multiply
896,985,409.80x = 1,345,478,114.70 × 881,868,865.80 - Step 4: Simplify right side
896,985,409.80x = 1,186,535,258,969,211,392 - Step 5: Solve for x
x = 1,186,535,258,969,211,392/896,985,409.80 - Step 6: Final answer
x = 1,322,803,298.70
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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.