Finding the Fourth Proportional to 5,516,748,440.80, 8,275,100,888.40 and 1,639,354,904.80
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Solution
The fourth proportional to 5,516,748,440.80, 8,275,100,888.40 and 1,639,354,904.80 is: 2,459,025,887.20
Step by Step Solution
- Step 1: Write the proportion equation
5,516,748,440.80 : 8,275,100,888.40 = 1,639,354,904.80 : x - Step 2: Convert to fraction form
5,516,748,440.80/8,275,100,888.40 = 1,639,354,904.80/x - Step 3: Cross multiply
5,516,748,440.80x = 8,275,100,888.40 × 1,639,354,904.80 - Step 4: Simplify right side
5,516,748,440.80x = 13,565,827,229,113,376,768 - Step 5: Solve for x
x = 13,565,827,229,113,376,768/5,516,748,440.80 - Step 6: Final answer
x = 2,459,025,887.20
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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.