Finding the Fourth Proportional to 869,365,569.60, 1,304,048,354.40 and 783,369,230.40
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Solution
The fourth proportional to 869,365,569.60, 1,304,048,354.40 and 783,369,230.40 is: 1,175,053,845.60
Step by Step Solution
- Step 1: Write the proportion equation
869,365,569.60 : 1,304,048,354.40 = 783,369,230.40 : x - Step 2: Convert to fraction form
869,365,569.60/1,304,048,354.40 = 783,369,230.40/x - Step 3: Cross multiply
869,365,569.60x = 1,304,048,354.40 × 783,369,230.40 - Step 4: Simplify right side
869,365,569.60x = 1,021,551,355,790,714,496 - Step 5: Solve for x
x = 1,021,551,355,790,714,496/869,365,569.60 - Step 6: Final answer
x = 1,175,053,845.60
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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.