Finding the Fourth Proportional to 744,310,266.30, 1,116,465,399.45 and 708,597,431.10
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Solution
The fourth proportional to 744,310,266.30, 1,116,465,399.45 and 708,597,431.10 is: 1,062,896,146.65
Step by Step Solution
- Step 1: Write the proportion equation
744,310,266.30 : 1,116,465,399.45 = 708,597,431.10 : x - Step 2: Convert to fraction form
744,310,266.30/1,116,465,399.45 = 708,597,431.10/x - Step 3: Cross multiply
744,310,266.30x = 1,116,465,399.45 × 708,597,431.10 - Step 4: Simplify right side
744,310,266.30x = 791,124,513,962,305,408 - Step 5: Solve for x
x = 791,124,513,962,305,408/744,310,266.30 - Step 6: Final answer
x = 1,062,896,146.65
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Double scale
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Similar ratio
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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.