Finding the Fourth Proportional to 4,257,943,205.60, 6,391,692,382.80 and 3,292,873,176.80
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Solution
The fourth proportional to 4,257,943,205.60, 6,391,692,382.80 and 3,292,873,176.80 is: 4,943,004,494.28
Step by Step Solution
- Step 1: Write the proportion equation
4,257,943,205.60 : 6,391,692,382.80 = 3,292,873,176.80 : x - Step 2: Convert to fraction form
4,257,943,205.60/6,391,692,382.80 = 3,292,873,176.80/x - Step 3: Cross multiply
4,257,943,205.60x = 6,391,692,382.80 × 3,292,873,176.80 - Step 4: Simplify right side
4,257,943,205.60x = 21,047,032,401,678,999,552 - Step 5: Solve for x
x = 21,047,032,401,678,999,552/4,257,943,205.60 - Step 6: Final answer
x = 4,943,004,494.28
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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.