Finding the Fourth Proportional to 7,187,673,531, 10,781,729,937.99 and 2,465,929,214.22
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Solution
The fourth proportional to 7,187,673,531, 10,781,729,937.99 and 2,465,929,214.22 is: 3,698,969,175.39
Step by Step Solution
- Step 1: Write the proportion equation
7,187,673,531 : 10,781,729,937.99 = 2,465,929,214.22 : x - Step 2: Convert to fraction form
7,187,673,531/10,781,729,937.99 = 2,465,929,214.22/x - Step 3: Cross multiply
7,187,673,531x = 10,781,729,937.99 × 2,465,929,214.22 - Step 4: Simplify right side
7,187,673,531x = 26,586,982,833,919,926,272 - Step 5: Solve for x
x = 26,586,982,833,919,926,272/7,187,673,531 - Step 6: Final answer
x = 3,698,969,175.39
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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.