Finding the Fourth Proportional to 802,261,139.12, 1,106,712,917.88 and 523,965,564.08
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Solution
The fourth proportional to 802,261,139.12, 1,106,712,917.88 and 523,965,564.08 is: 722,806,365.68
Step by Step Solution
- Step 1: Write the proportion equation
802,261,139.12 : 1,106,712,917.88 = 523,965,564.08 : x - Step 2: Convert to fraction form
802,261,139.12/1,106,712,917.88 = 523,965,564.08/x - Step 3: Cross multiply
802,261,139.12x = 1,106,712,917.88 × 523,965,564.08 - Step 4: Simplify right side
802,261,139.12x = 579,879,458,291,616,896 - Step 5: Solve for x
x = 579,879,458,291,616,896/802,261,139.12 - Step 6: Final answer
x = 722,806,365.68
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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.