Finding the Fourth Proportional to 6,438,758,509.60, 9,658,137,764.40 and 2,355,524,922.40
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Solution
The fourth proportional to 6,438,758,509.60, 9,658,137,764.40 and 2,355,524,922.40 is: 3,533,287,383.60
Step by Step Solution
- Step 1: Write the proportion equation
6,438,758,509.60 : 9,658,137,764.40 = 2,355,524,922.40 : x - Step 2: Convert to fraction form
6,438,758,509.60/9,658,137,764.40 = 2,355,524,922.40/x - Step 3: Cross multiply
6,438,758,509.60x = 9,658,137,764.40 × 2,355,524,922.40 - Step 4: Simplify right side
6,438,758,509.60x = 22,749,984,208,016,818,176 - Step 5: Solve for x
x = 22,749,984,208,016,818,176/6,438,758,509.60 - Step 6: Final answer
x = 3,533,287,383.60
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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.