Finding the Fourth Proportional to 1,663,174,379,358.80, 2,490,465,023,247 and 1,147,865,965,330.10
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Solution
The fourth proportional to 1,663,174,379,358.80, 2,490,465,023,247 and 1,147,865,965,330.10 is: 1,718,833,619,318.01
Step by Step Solution
- Step 1: Write the proportion equation
1,663,174,379,358.80 : 2,490,465,023,247 = 1,147,865,965,330.10 : x - Step 2: Convert to fraction form
1,663,174,379,358.80/2,490,465,023,247 = 1,147,865,965,330.10/x - Step 3: Cross multiply
1,663,174,379,358.80x = 2,490,465,023,247 × 1,147,865,965,330.10 - Step 4: Simplify right side
1,663,174,379,358.80x = 2,858,720,038,030,267,624,980,480 - Step 5: Solve for x
x = 2,858,720,038,030,267,624,980,480/1,663,174,379,358.80 - Step 6: Final answer
x = 1,718,833,619,318.01
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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.