Finding the Fourth Proportional to 6,544,297,223.36, 9,031,140,272.40 and 3,724,905,119.84
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Solution
The fourth proportional to 6,544,297,223.36, 9,031,140,272.40 and 3,724,905,119.84 is: 5,140,374,816.50
Step by Step Solution
- Step 1: Write the proportion equation
6,544,297,223.36 : 9,031,140,272.40 = 3,724,905,119.84 : x - Step 2: Convert to fraction form
6,544,297,223.36/9,031,140,272.40 = 3,724,905,119.84/x - Step 3: Cross multiply
6,544,297,223.36x = 9,031,140,272.40 × 3,724,905,119.84 - Step 4: Simplify right side
6,544,297,223.36x = 33,640,140,638,655,971,328 - Step 5: Solve for x
x = 33,640,140,638,655,971,328/6,544,297,223.36 - Step 6: Final answer
x = 5,140,374,816.50
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Double scale
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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.