Finding the Fourth Proportional to 940,325,690.52, 1,297,572,320.36 and 553,581,736.99
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Solution
The fourth proportional to 940,325,690.52, 1,297,572,320.36 and 553,581,736.99 is: 763,897,388.12
Step by Step Solution
- Step 1: Write the proportion equation
940,325,690.52 : 1,297,572,320.36 = 553,581,736.99 : x - Step 2: Convert to fraction form
940,325,690.52/1,297,572,320.36 = 553,581,736.99/x - Step 3: Cross multiply
940,325,690.52x = 1,297,572,320.36 × 553,581,736.99 - Step 4: Simplify right side
940,325,690.52x = 718,312,338,965,777,792 - Step 5: Solve for x
x = 718,312,338,965,777,792/940,325,690.52 - Step 6: Final answer
x = 763,897,388.12
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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.