Finding the Fourth Proportional to 1,637,455,343.67, 2,456,436,965.39 and 692,057,409.74
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Solution
The fourth proportional to 1,637,455,343.67, 2,456,436,965.39 and 692,057,409.74 is: 1,038,193,444.50
Step by Step Solution
- Step 1: Write the proportion equation
1,637,455,343.67 : 2,456,436,965.39 = 692,057,409.74 : x - Step 2: Convert to fraction form
1,637,455,343.67/2,456,436,965.39 = 692,057,409.74/x - Step 3: Cross multiply
1,637,455,343.67x = 2,456,436,965.39 × 692,057,409.74 - Step 4: Simplify right side
1,637,455,343.67x = 1,699,995,403,453,488,384 - Step 5: Solve for x
x = 1,699,995,403,453,488,384/1,637,455,343.67 - Step 6: Final answer
x = 1,038,193,444.50
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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.