Finding the Fourth Proportional to 869,365,201.60, 1,304,047,802.40 and 783,368,862.40
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Solution
The fourth proportional to 869,365,201.60, 1,304,047,802.40 and 783,368,862.40 is: 1,175,053,293.60
Step by Step Solution
- Step 1: Write the proportion equation
869,365,201.60 : 1,304,047,802.40 = 783,368,862.40 : x - Step 2: Convert to fraction form
869,365,201.60/1,304,047,802.40 = 783,368,862.40/x - Step 3: Cross multiply
869,365,201.60x = 1,304,047,802.40 × 783,368,862.40 - Step 4: Simplify right side
869,365,201.60x = 1,021,550,443,481,308,032 - Step 5: Solve for x
x = 1,021,550,443,481,308,032/869,365,201.60 - Step 6: Final answer
x = 1,175,053,293.60
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1.5x scale
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.