Finding the Fourth Proportional to 7,685,360,607.24, 11,525,779,421.64 and 3,485,883,907.08
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Solution
The fourth proportional to 7,685,360,607.24, 11,525,779,421.64 and 3,485,883,907.08 is: 5,227,800,106.69
Step by Step Solution
- Step 1: Write the proportion equation
7,685,360,607.24 : 11,525,779,421.64 = 3,485,883,907.08 : x - Step 2: Convert to fraction form
7,685,360,607.24/11,525,779,421.64 = 3,485,883,907.08/x - Step 3: Cross multiply
7,685,360,607.24x = 11,525,779,421.64 × 3,485,883,907.08 - Step 4: Simplify right side
7,685,360,607.24x = 40,177,529,002,448,699,392 - Step 5: Solve for x
x = 40,177,529,002,448,699,392/7,685,360,607.24 - Step 6: Final answer
x = 5,227,800,106.69
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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.