Finding the Fourth Proportional to 5,243,675,057.54, 7,236,274,482.74 and 2,832,357,538.88
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Solution
The fourth proportional to 5,243,675,057.54, 7,236,274,482.74 and 2,832,357,538.88 is: 3,908,654,971.88
Step by Step Solution
- Step 1: Write the proportion equation
5,243,675,057.54 : 7,236,274,482.74 = 2,832,357,538.88 : x - Step 2: Convert to fraction form
5,243,675,057.54/7,236,274,482.74 = 2,832,357,538.88/x - Step 3: Cross multiply
5,243,675,057.54x = 7,236,274,482.74 × 2,832,357,538.88 - Step 4: Simplify right side
5,243,675,057.54x = 20,495,716,584,593,612,800 - Step 5: Solve for x
x = 20,495,716,584,593,612,800/5,243,675,057.54 - Step 6: Final answer
x = 3,908,654,971.88
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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.