Finding the Fourth Proportional to 3,987,547,350.54, 5,503,129,030.35 and 2,270,969,089.98
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Solution
The fourth proportional to 3,987,547,350.54, 5,503,129,030.35 and 2,270,969,089.98 is: 3,134,115,993.48
Step by Step Solution
- Step 1: Write the proportion equation
3,987,547,350.54 : 5,503,129,030.35 = 2,270,969,089.98 : x - Step 2: Convert to fraction form
3,987,547,350.54/5,503,129,030.35 = 2,270,969,089.98/x - Step 3: Cross multiply
3,987,547,350.54x = 5,503,129,030.35 × 2,270,969,089.98 - Step 4: Simplify right side
3,987,547,350.54x = 12,497,435,926,096,459,776 - Step 5: Solve for x
x = 12,497,435,926,096,459,776/3,987,547,350.54 - Step 6: Final answer
x = 3,134,115,993.48
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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.