Finding the Fourth Proportional to 4,843,084,988.70, 6,683,457,223.17 and 2,615,416,980.12
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Solution
The fourth proportional to 4,843,084,988.70, 6,683,457,223.17 and 2,615,416,980.12 is: 3,609,275,399.50
Step by Step Solution
- Step 1: Write the proportion equation
4,843,084,988.70 : 6,683,457,223.17 = 2,615,416,980.12 : x - Step 2: Convert to fraction form
4,843,084,988.70/6,683,457,223.17 = 2,615,416,980.12/x - Step 3: Cross multiply
4,843,084,988.70x = 6,683,457,223.17 × 2,615,416,980.12 - Step 4: Simplify right side
4,843,084,988.70x = 17,480,027,507,384,481,792 - Step 5: Solve for x
x = 17,480,027,507,384,481,792/4,843,084,988.70 - Step 6: Final answer
x = 3,609,275,399.50
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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.