Finding the Fourth Proportional to 1,664,398,792.58, 2,295,999,526.52 and 1,029,116,208.64
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Solution
The fourth proportional to 1,664,398,792.58, 2,295,999,526.52 and 1,029,116,208.64 is: 1,419,641,938.16
Step by Step Solution
- Step 1: Write the proportion equation
1,664,398,792.58 : 2,295,999,526.52 = 1,029,116,208.64 : x - Step 2: Convert to fraction form
1,664,398,792.58/2,295,999,526.52 = 1,029,116,208.64/x - Step 3: Cross multiply
1,664,398,792.58x = 2,295,999,526.52 × 1,029,116,208.64 - Step 4: Simplify right side
1,664,398,792.58x = 2,362,850,327,771,497,472 - Step 5: Solve for x
x = 2,362,850,327,771,497,472/1,664,398,792.58 - Step 6: Final answer
x = 1,419,641,938.16
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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.