Finding the Fourth Proportional to 4,634,477,321.78, 6,395,534,281.68 and 2,519,934,009.86
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Solution
The fourth proportional to 4,634,477,321.78, 6,395,534,281.68 and 2,519,934,009.86 is: 3,477,484,779.54
Step by Step Solution
- Step 1: Write the proportion equation
4,634,477,321.78 : 6,395,534,281.68 = 2,519,934,009.86 : x - Step 2: Convert to fraction form
4,634,477,321.78/6,395,534,281.68 = 2,519,934,009.86/x - Step 3: Cross multiply
4,634,477,321.78x = 6,395,534,281.68 × 2,519,934,009.86 - Step 4: Simplify right side
4,634,477,321.78x = 16,116,324,347,630,979,072 - Step 5: Solve for x
x = 16,116,324,347,630,979,072/4,634,477,321.78 - Step 6: Final answer
x = 3,477,484,779.54
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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.