Finding the Fourth Proportional to 1,641,850,515.05, 2,462,775,770.14 and 415,018,966.55
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Solution
The fourth proportional to 1,641,850,515.05, 2,462,775,770.14 and 415,018,966.55 is: 622,528,449.20
Step by Step Solution
- Step 1: Write the proportion equation
1,641,850,515.05 : 2,462,775,770.14 = 415,018,966.55 : x - Step 2: Convert to fraction form
1,641,850,515.05/2,462,775,770.14 = 415,018,966.55/x - Step 3: Cross multiply
1,641,850,515.05x = 2,462,775,770.14 × 415,018,966.55 - Step 4: Simplify right side
1,641,850,515.05x = 1,022,098,654,954,531,712 - Step 5: Solve for x
x = 1,022,098,654,954,531,712/1,641,850,515.05 - Step 6: Final answer
x = 622,528,449.20
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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.