Finding the Fourth Proportional to 3,640,947,151.36, 5,024,515,802.90 and 1,970,214,220.48
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Solution
The fourth proportional to 3,640,947,151.36, 5,024,515,802.90 and 1,970,214,220.48 is: 2,718,900,350.48
Step by Step Solution
- Step 1: Write the proportion equation
3,640,947,151.36 : 5,024,515,802.90 = 1,970,214,220.48 : x - Step 2: Convert to fraction form
3,640,947,151.36/5,024,515,802.90 = 1,970,214,220.48/x - Step 3: Cross multiply
3,640,947,151.36x = 5,024,515,802.90 × 1,970,214,220.48 - Step 4: Simplify right side
3,640,947,151.36x = 9,899,372,485,900,064,768 - Step 5: Solve for x
x = 9,899,372,485,900,064,768/3,640,947,151.36 - Step 6: Final answer
x = 2,718,900,350.48
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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.