Finding the Fourth Proportional to 1,719,219,166.95, 2,372,508,188.48 and 966,535,697.53
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Solution
The fourth proportional to 1,719,219,166.95, 2,372,508,188.48 and 966,535,697.53 is: 1,333,811,244.62
Step by Step Solution
- Step 1: Write the proportion equation
1,719,219,166.95 : 2,372,508,188.48 = 966,535,697.53 : x - Step 2: Convert to fraction form
1,719,219,166.95/2,372,508,188.48 = 966,535,697.53/x - Step 3: Cross multiply
1,719,219,166.95x = 2,372,508,188.48 × 966,535,697.53 - Step 4: Simplify right side
1,719,219,166.95x = 2,293,113,856,844,638,720 - Step 5: Solve for x
x = 2,293,113,856,844,638,720/1,719,219,166.95 - Step 6: Final answer
x = 1,333,811,244.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.