Finding the Fourth Proportional to 4,120,865,043.90, 5,688,272,968.68 and 2,450,110,199.28
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Solution
The fourth proportional to 4,120,865,043.90, 5,688,272,968.68 and 2,450,110,199.28 is: 3,382,031,556.09
Step by Step Solution
- Step 1: Write the proportion equation
4,120,865,043.90 : 5,688,272,968.68 = 2,450,110,199.28 : x - Step 2: Convert to fraction form
4,120,865,043.90/5,688,272,968.68 = 2,450,110,199.28/x - Step 3: Cross multiply
4,120,865,043.90x = 5,688,272,968.68 × 2,450,110,199.28 - Step 4: Simplify right side
4,120,865,043.90x = 13,936,895,616,851,593,216 - Step 5: Solve for x
x = 13,936,895,616,851,593,216/4,120,865,043.90 - Step 6: Final answer
x = 3,382,031,556.09
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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.