Finding the Fourth Proportional to 2,977,233,400.80, 4,465,850,101.20 and 1,997,681,349.60
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Solution
The fourth proportional to 2,977,233,400.80, 4,465,850,101.20 and 1,997,681,349.60 is: 2,996,522,024.40
Step by Step Solution
- Step 1: Write the proportion equation
2,977,233,400.80 : 4,465,850,101.20 = 1,997,681,349.60 : x - Step 2: Convert to fraction form
2,977,233,400.80/4,465,850,101.20 = 1,997,681,349.60/x - Step 3: Cross multiply
2,977,233,400.80x = 4,465,850,101.20 × 1,997,681,349.60 - Step 4: Simplify right side
2,977,233,400.80x = 8,921,345,457,276,512,256 - Step 5: Solve for x
x = 8,921,345,457,276,512,256/2,977,233,400.80 - Step 6: Final answer
x = 2,996,522,024.40
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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.