Finding the Fourth Proportional to 968,914,722.10, 1,453,301,781.35 and 378,593,963.09
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Solution
The fourth proportional to 968,914,722.10, 1,453,301,781.35 and 378,593,963.09 is: 567,863,474.90
Step by Step Solution
- Step 1: Write the proportion equation
968,914,722.10 : 1,453,301,781.35 = 378,593,963.09 : x - Step 2: Convert to fraction form
968,914,722.10/1,453,301,781.35 = 378,593,963.09/x - Step 3: Cross multiply
968,914,722.10x = 1,453,301,781.35 × 378,593,963.09 - Step 4: Simplify right side
968,914,722.10x = 550,211,280,973,645,824 - Step 5: Solve for x
x = 550,211,280,973,645,824/968,914,722.10 - Step 6: Final answer
x = 567,863,474.90
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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.