Finding the Fourth Proportional to 968,935,568.40, 1,453,403,352.60 and 708,742,054.80
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Solution
The fourth proportional to 968,935,568.40, 1,453,403,352.60 and 708,742,054.80 is: 1,063,113,082.20
Step by Step Solution
- Step 1: Write the proportion equation
968,935,568.40 : 1,453,403,352.60 = 708,742,054.80 : x - Step 2: Convert to fraction form
968,935,568.40/1,453,403,352.60 = 708,742,054.80/x - Step 3: Cross multiply
968,935,568.40x = 1,453,403,352.60 × 708,742,054.80 - Step 4: Simplify right side
968,935,568.40x = 1,030,088,078,574,932,736 - Step 5: Solve for x
x = 1,030,088,078,574,932,736/968,935,568.40 - Step 6: Final answer
x = 1,063,113,082.20
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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.