Finding the Fourth Proportional to 9,144,959,271.36, 12,596,529,790.80 and 6,464,130,556.80
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Solution
The fourth proportional to 9,144,959,271.36, 12,596,529,790.80 and 6,464,130,556.80 is: 8,903,879,253.50
Step by Step Solution
- Step 1: Write the proportion equation
9,144,959,271.36 : 12,596,529,790.80 = 6,464,130,556.80 : x - Step 2: Convert to fraction form
9,144,959,271.36/12,596,529,790.80 = 6,464,130,556.80/x - Step 3: Cross multiply
9,144,959,271.36x = 12,596,529,790.80 × 6,464,130,556.80 - Step 4: Simplify right side
9,144,959,271.36x = 81,425,613,130,351,788,032 - Step 5: Solve for x
x = 81,425,613,130,351,788,032/9,144,959,271.36 - Step 6: Final answer
x = 8,903,879,253.50
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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.