Finding the Fourth Proportional to 8,228,995,746.21, 11,356,956,194.40 and 4,612,996,130.04
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Solution
The fourth proportional to 8,228,995,746.21, 11,356,956,194.40 and 4,612,996,130.04 is: 6,366,462,760.41
Step by Step Solution
- Step 1: Write the proportion equation
8,228,995,746.21 : 11,356,956,194.40 = 4,612,996,130.04 : x - Step 2: Convert to fraction form
8,228,995,746.21/11,356,956,194.40 = 4,612,996,130.04/x - Step 3: Cross multiply
8,228,995,746.21x = 11,356,956,194.40 × 4,612,996,130.04 - Step 4: Simplify right side
8,228,995,746.21x = 52,389,594,973,801,005,056 - Step 5: Solve for x
x = 52,389,594,973,801,005,056/8,228,995,746.21 - Step 6: Final answer
x = 6,366,462,760.41
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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.